Hi Vennwill, Thank you for your review regarding our Delta Faucet Delta PORTWOOD™ Single Handle Centerset Faucet (Recertified) In Spotshield Brushed Nickel MODEL#: 15770LF-SP-R. We are happy to hear that this product did meet your expectations and we would be more than happy to assist you.View Common Bath Single Handle Cartridges that may fix a leak in a Delta Bath Faucet.FAQ Answer. The model number is on all packaging, some faucets, and some installation instructions provided with your faucet. Tub and shower faucets are not as easy to put tags on, but the series may be found on the wall plate beneath the handle giving a good start. On the packaging, look near the UPC code or the top of the box.Turn On Water. Make sure the handle is in the off position, then turn on the water by turning the knob under the sink counter clockwise. To test to make sure the leak is fixed, turn on the water and let it run for a minute. Turn it off and check if the faucet is still leaking. If the faucet is still leaking, you might have another issue.🛀 REPLACEMENT DELTA RP19804 SHOWER CARTRIDGE - RP19804 Shower Valve Cartridge Assembly is specially designed for Delta 1300 & 1400 series single-handle tub/shower valves ( Fits for select monitor valve before 2007; NOT FIT the MultiChoice Universal Valves (2007 - present ).Today I Am Installing A Repair Kit For Single Handle Faucet! Is there water leaking from the spout? You can repair this yourself with a quick call to Delta. ...RP19804 Delta Shower Cartridge 1300/1400 Series Shower Replacement, Spool Assembly, Single Handle Universal Spool Repair Kit for (1993-2007) Monitor Spool(1 Pack) 4.0 out of 5 stars 77 1 offer from $19.99Delta® Faucet Cartridge Assembly. Model Number: RP25513 Menards ® SKU: 6740240. PRICE $16.98. 11% REBATE* $1.87. PRICE AFTER REBATE* $ 15 11. each. ADD TO CART.RP46074 Shower Valve Cartridge Assembly Compatible for Delta Shower and Tub 13/14 Series Faucet, Single-handle Delta Universal Valve Cartridge, Replacement for Delta Shower Cartridge. 4.2 out of 5 stars. 219. 300+ bought in past month. ... RP46463 Delta Shower Cartridge Replacement for Delta Monitor 17 Series (2006-Present) Dual …Model#: 553LF. Inspired by the slim lines and graceful arc of a ribbon, the Vero ® Bath Collection offers a high-end, modern look. Delta ® faucets with Diamond Seal ® Technology perform like new for life with a patented design that reduces leak points, is less hassle to install and lasts twice as long as the industry standard. WaterSense ...About This Product. Repair your leaky faucet with the Danco Replacement Cartridge for Delta Single Handle Faucets. Fixing your dripping kitchen or lavatory faucet by replacing the cartridge will save water and keep you from buying an entire new faucet. It is designed to be compatible with hot and cold water applications.1 or 3-hole 4-inch installation. Deck plate included for use with additional mounting configurations and a cohesive look. Push pop-up with overflow holes. ADA compliant. 3/8" compression fittings. Control mechanism is replaceable cartridge with ceramic plates. Delta ® WaterSense ® labeled faucets use at least 20% less water than the industry ...RP46074 Shower Cartridge Replacement for Delta 13/14 Series, Compatible with Delta MultiChoice Rough-in Valve and Single-Hanlde Trim Kit. 4.4 ... RP19804 Delta Shower Cartridge Replacement for Delta 1300/1400 Series Single Handle Bathtub Shower Faucet Parts Replacement Parts Cartridge For Delta Monitor Shower Tub Cartridge Kit (1993-2007) 4.0 ...When the ink runs low on your Canon PIXMA printer, you can replace the cartridges and recycle the old ones. Many retailers will accept the empty cartridges for a discount. The Cano...1.1 Locate the Faucet's Model Number. 1.2 Find the Instruction Manual. 1.3 Contact Customer Support. 2 Replacing Your Shower Faucet. 3 Removing the Old Shower Faucet. 3.1 Turn Off the Water. 3.2 Remove the Handle. 3.3 Inspect the Valve. 3.4 Replacing the Cartridge.Please give this video a THUMBS UP and SHARE it with your friends.Please LIKE and SUBSCRIBE Support from viewers like you is what keeps us going. Thank you f...Single handle bathroom sink faucets work this way. A center-spread or centerset bathroom faucet is designed for sinks that have three holes of four inches or more betwen them. This will have a cover or escutcheon plate linking the pieces on top of the sink. A split-set or widespread bathroom faucet is designed for sinks that have holes of six ...Ball Assembly - Lever Handle - Stainless Steel. This ball valve is used on 1H kitchen, lavatory, and tub / shower non-DST lever handle faucets. It can replace any Delta plastic, brass, or vacuum breaker ball assemblies. It is commonly referred to the round stem ball.Tips for changing a Moen Chateau faucet cartridge. Video covers removal of the old faulty cartridge and installation of the new Moen 1225 cartridge. Links to...Hover Image to Zoom. $35.39. Pay $10.39 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card. Replaces Delta OEM # RP46074 (13/14 series) Compatible with single-handle Delta Monitor tub/shower faucets. Repairs leaks & helps restore to original working condition.3 Things You Need To Replace Delta Single Handle Kitchen Faucet Cartridge. 4 How To Replace Delta Single Handle Kitchen Faucet Cartridges: The Step-By-Step Process. 4.1 Step 1: Turn Off the Water Supply. 4.2 Step 2: Relieve Pressure. 4.3 Step 3: Remove the Handle. 4.4 Step 4: Remove the Bonnet Nut. 4.5 Step 5: Remove …DELTA PROVIDES FREE REPLACEMENTS: https://www.deltafaucet.com/service-parts/contact-usMany modern household faucets utilize cartridges to make repair easy an...MOEN Cartridge Replacement Help. For service and support call. 1-800-BUY-MOEN. 1-800-289-6636. NOTE: If your Moen faucet was manufactured after 2009 and you are looking at the 1225 cartridge, it is possible that you may actually have a 1255 cartridge because cartridge styles can vary by the date of manufacture.Ball Assembly - Lever Handle - Stainless Steel. This ball valve is used on 1H kitchen, lavatory, and tub / shower non-DST lever handle faucets. It can replace any Delta plastic, brass, or vacuum breaker ball assemblies. It is commonly referred to the round stem ball. You’ve viewed 6 of 6 products.Repairs Delta faucets with #70 style ball. Includes (4) seats, (4) springs, (2) cams, (4) o-rings, #70 ball and hex wrench. For hot and cold water applications. Complete repair kit to fix you dripping faucet - no extra components needed to buy. Complies with the reduction of lead in drinking water act. Easy do-it-yourself installation project.›. Plumbing. ›. Faucet Parts. ›. Cartridges. Buy new: $4059. FREE Returns. FREE delivery Saturday, May 25. Or fastest delivery Friday, May 24. Order within 5 hrs …Hi, Mikey! Thank you for your question. The Delta H71 Handle Assembly will fit the RP46074 Valve Cartridge Assembly. Best Regards, Rosanna ... I am ordering the H71 Single Clear Knob Handle Kit to replace my old handle, which goes off and falls in each and every use. ... The RP2389 is for single handle lavatory faucets. If you current knob on ...7 Mar 2021 ... This episode shows to easily replace the cartridge and brass retainer nut in a Pfister Single Handle Kitchen Faucet for free.Sep 23, 2009 · Product Description. The Delta Single-Handle Valve Cartridge features Diamond seal technology. This cartridge is ideal for single-handle kitchen and lavatory faucets (not included). As part of a company that delivers water every day through millions of faucets worldwide. Delta is committed to providing you the best experience with water.Oct 31, 2023 · Single Handle Centerset Bathroom Faucet in Chrome. Single Handle Centerset Bathroom Faucet in. Chrome. Model#: 15999-DST. 4.5. (45) Write a review. Ask a question. List Price: $17230.Essential Values Single Handle Valve Cartridge (#RP50587) - Aftermarket Replacement for Delta Faucets kitchen| Kitchen Faucet Repair Kit - Made from the Markets Finest Metals & Plastics 4.0 out of 5 stars 789MOEN Pfister Single Handle Ceramic Cartridge for Tub/Shower (20) $60 And. 93 ... 49 Cents / each. Add To Cart. Standard Delivery. 0 at Check Nearby Stores . Add To Cart. Compare Delta Single Handle Ceramic Cartridge . MOEN Delta Single Handle Ceramic ... Replacement cartridges help repair a leaky faucet. Use this replacement cartridge as an ...The Delta Faucet brand delivers well-made, stylish faucets, shower heads and other kitchen and bathroom accessories. ... Single Handle; Two Handle; Pull-Down/Pull-Out; High Arc; Specialty Faucets. Touch Activated; Pot Filler; Bar/Prep; ... 3 Delta® Products That Do More in Your Bathroom. Delta® products help you keep your bathroom clean, even ...Hello everyone, thought I'd share this video to help other 'do-it-yourselfers'.First, turn off the water for your premises or,turn off the water for the fauc...RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit with RP24096 cartridge RP4993 Seat and Spring RP24097 Turn stop1/4, 2 pack. 4.4 out of 5 stars. 73. ... Compatible with Danze DA603567 Round Stem Washerless Cartridge for Single Handle Tub & Shower Faucets with Temperature Limit Stops and seats & springs 4" length - ADA ...PlumbShop Delta Brass OEM Faucet Cartridge with 1/4-in Turn Stop. 3.3 (4) 3.3 out of 5 stars. 4 reviews. ... PlumbShop Waltec Faucet Cartridge, for 2021 Single Handle Faucets, Green. 0.0 (0) 0.0 out of 5 stars. $16.99 #063-2752-8. ... Whether you need a shower cartridge replacement or one for your kitchen faucet, we've got you covered. ...A short video on how to fix a leaky delta style bathroom faucet(Full kit)Delta Faucet RP77738 Bathroom Repair Kit https://a.co/d/h2eHAO7(Seats and springs on...1 pack RP50587 Single Handle Cartridge Valve Replacement for Various Delta Model Fit for Kitchen, Shower,Toiletsand and Lavatory Faucet Motion Cartridge,Faucet 36mm (Only 1ps) 19. $1588. FREE delivery Mon, Apr 29 on $35 of items shipped by Amazon. Only 1 left in stock - order soon.About This Product. Repair your leaky faucet with the Danco Replacement Cartridge for Delta Single Handle Faucets. Fixing your dripping kitchen or lavatory faucet by replacing the cartridge will save water and keep you from buying an entire new faucet. It is designed to be compatible with hot and cold water applications.Hi ASpratt, Thank you for your question about the Delta Faucet model B112900C Single Handle Shower In Chrome. I am sorry this information was not readily available, and I am happy to help! Yes, the cartridge can be reversed for a back-to-back installation. Insert the cartridge with the "hot side" on the right.MOEN Cartridge Replacement Help. For service and support call. 1-800-BUY-MOEN. 1-800-289-6636. NOTE: If your Moen faucet was manufactured after 2009 and you are looking at the 1225 cartridge, it is possible that you may actually have a 1255 cartridge because cartridge styles can vary by the date of manufacture.Nov 2, 2016 · Is your single handle faucet leaking? In this episode of Repair and Replace, Stephany shows how to replace the seats and springs in a single handle, ball val...Delta. Replacement Pressure Balance Cartridge for Tub and Shower Valves. Add to Cart. Compare. Expert Installation Available $ 31. 97 (78) Model# 80964. DANCO. DL-10 Cartridge for Delta Scald-Guard Tub/Shower Single-Lever Faucets. Add to Cart. Compare $ 41. 94 (6) Model# 11001. DANCO. Cartridge for Delta 1500/1700 Series Tub/Shower Faucets. Add ...Repairing a leaky faucet is an easy and inexpensive alternative to replacing the entire faucet especially with this OEM (original equipment manufacturer) Delta repair part RP50587 single handle valve cartridge. Used to repair Delta for DIAMOND Seal technology kitchen and lavatory models that use 36 mm Delta motion cartridge. Made of durable construction that will endure the rigors of everyday ...Free returns on most items within 30 days. Repair your leaky faucet with the Ace Faucet Repair Kit for Delta Single Handle Faucets. Fixing your dripping faucet by repairing the cartridge will save water and keep you from buying an entirely new faucet. Repairs Delta faucets with #70 style ball.Find the KIT REPAIR FOR DELTA/DEL at Ace.2K. 250K views 3 years ago. DELTA PROVIDES FREE REPLACEMENTS: https://www.deltafaucet.com/service-p... Many modern household faucets utilize …Classic Single Handle Centerset Bathroom Faucet - Less Pop-Up List Price: $173.30 Standard Finishes. 500-DST . 2.67 6. ... This Delta lavatory faucet is excellent! It has been in use in the master bath since a recent remodeling. ... Test the faucet. If the faucet still leaks, we recommend to replace both the valve cartridge assembly, RP50587 ...Single Handle Shower in Chrome. Model#: B112920. Chrome. Standard Finishes. Finish:Chrome. List ... Hello Delta Faucet Customer, Thank you for contacting us, I would be happy to help you. The handle for the B112920 would be part number RP74148SS. ... Is part# RP46074 repair cartridge work? Asked by: Ron27.Velum ™. Single Handle Bathroom Faucet. List Price: $203.05 - $266.50. Standard Finishes. 539-MPU-DST. Compare. You've viewed 24 of 191 products. View More. Browse a large selection of single hole bathroom faucets: offered in brushed nickel, oil rubbed bronze and a variety of other finishes to match any style.How do you adjust the water temperature on a monitor single handle shower faucet Asked by: Larry. ... The Handle valve and cartridge assembly of your Delta Classic Shower T17230 can be replace with the Delta Classic 13 Series T13020 trim kit and cartridge assembly, as long as the MultiChoice Universal Rough-In valve R10000-UN was originally ...Danco 86970 Cartridge Repair Kit for Delta Single Handle Fauce, Pack of 1, Brass. 4.4 out of 5 stars. 1,360. 300+ bought in past month. ... RP50587 Cartridge Compatible with Delta Single Handle Kitchen and Lavatory Faucets, Works with DIAMOND Seal Technology Models Featuring a 36 mm Motion Cartridge, RP51503 Bonnet Nut.Hi Tom44, Thanks so much for contacting Delta Faucet Company! The Repair Kit MODEL#: RP77763 is used with single-handle kitchen faucet models with a lever handle. For a shower faucet with a ball assembly, we recommend the RP54870 renovation kit.1.9K. 229K views 7 years ago. Is your Delta faucet leaking ? In this episode of Repair and Replace, Stephany shows how to replace the Delta RP50587 Diamond Seal Technology (DST) cartridge...Put some grease on the replacement cartridge and carefully work it back into the valve. Put the small clip back in to hold the new cartridge in place. Add a bead of silicone and a foam bead around the back of the escutcheon plate to make a watertight seal. Screw the cover plate and the shower handle back into place. Turn the water back on.How do you adjust the water temperature on a monitor single handle shower faucet Asked by: Larry. ... The Handle valve and cartridge assembly of your Delta Classic Shower T17230 can be replace with the Delta Classic 13 Series T13020 trim kit and cartridge assembly, as long as the MultiChoice Universal Rough-In valve R10000-UN was originally ...Is your bathroom faucet leaking? In this episode of Repair and Replace, Stephany shows how to replace the 1/4 turn washerless cartridges in a 2 handle bathro...Hi, Mikey! Thank you for your question. The Delta H71 Handle Assembly will fit the RP46074 Valve Cartridge Assembly. Best Regards, Rosanna ... I am ordering the H71 Single Clear Knob Handle Kit to replace my old handle, which goes off and falls in each and every use. ... The RP2389 is for single handle lavatory faucets. If you current …Step 7: Turn On the Water. Check to make sure the faucet is in the off position and then turn on the water valves under the sink. Run the water for several seconds, checking for leaks. Then, turn it off and check to make sure the faucet is no longer dripping. Advertisement.Intro. Watch as Hannah walks through how to easily install the Single Function Delta® T13/14 Cartridge & Trim in your bathroom tub and shower (model numbers typically begin with T13 & T14). The multichoice universal rough valve from Delta® works with a wide range of styles and finishes. See our supply list and video shortcuts below to make ...Delta Faucet Shower Handle Renovation Repair Trim Kit for Delta 600 Series Tub and Shower Trim Kits, Chrome RP54870. 4.4 out of 5 stars. 911. 200+ bought in past month. $79.99 $ 79. 99. FREE delivery Wed, May 29 . ... Dreyoo Single Function Pressure Balance Cartridge Replacement for RP70538, Shower Cartridge Compatible with Peerless and Delta ...Can I replace my old single-handle tub/shower handle to another style I have an old single-handle delta tub/shower assembly and would like to up date it without replacing all of the hardware. ... The RP17451 handle would be used on our 1300/1400 or T13/T14 series faucets depending on the age of the faucet. These single handle …Jul 10, 2020 · 2K. 250K views 3 years ago. DELTA PROVIDES FREE REPLACEMENTS: https://www.deltafaucet.com/service-p... Many modern household faucets utilize cartridges to make repair easy and...Remove the ring and be sure to note the orientation of the plastic pivot-stop ring in any keyway in the faucet body. This ring will orient the movement of the handle. Remove the stem washer. With these parts removed, you should now see the retainer nut that holds the cartridge in place. Remove the retainer nut.List Price: $34665. WHERE TO BUY. PRODUCT FEATURES. Documents & Specs. REVIEWS. Q&A. PART LIST. The stretched feminine form and unbroken lines of the Kayra™ Bath Collection create a clean, flowing design with an integrated pull-down spray wand that simplifies cleanup. Delta WaterSense labeled faucets use at least 20% less water than the ...Complete the look in your bathroom with a shower from the Classic Bath Collection. Delta® showers with Monitor ... the housing for the set screw had cracked and would no longer tighten the handle to the stem/cartridge. The replacement trim kit has no ... Classic Single Handle Bathroom Faucet List Price: $240.45 -$336.25 ...Select your matching cartridge here and get your faucet working like brand new! Two Handle Cartridges. ... RP1740. Used on many older style 2-handle faucets, roman tubs and showers with screws coming through the top of the handle. Does not work with 1/4 turn stops. ... Repair Parts Bathroom; Sink Faucets Bathing Showering Toilets & Bidets ...Single Handle Cartridges For drips from spout, base, or under handle View Single Handle CartridgesStem Unit Assembly, Seat And Spring, Bonnet Nut And Washer. This RP contains a set of 2. Depending on the supplier code of your faucet, your bonnet nut may have different threading. If you don't need the bonnet nut replaced, re-use your existing bonnet nut to ensure proper threading fit. If you need the bonnet nut replaced, confirm which RP ...RP19804 Delta Shower Cartridge 1300/1400 Series Shower Replacement, Spool Assembly, Single Handle Universal Spool Repair Kit for (1993-2007) Monitor Spool(1 Pack) 4.0 out of 5 stars 77 1 offer from $19.99Get the best deals on Delta Faucet Replacement Handles when you shop the largest online selection at eBay.com. Free shipping ... For Delta Faucet single handle bath/shower Replacement Cartridge RP46074. $16.49. or ... (14) 14 product ratings - Single Handle Valve Cartridge Faucet Leak Repair Parts Replacement Kitchen. …The Delta RP22934 o-rings fit the base part of the spout assembly at the Delta models 172, 173, and 174 faucets. Best Regards, Rosanna Answered by: Delta FaucetRepairs most Delta and Peerless faucets with #212 ball. Compatible with most Delta single handle old-style or new-style faucets. Designed to repair kitchen and lavatory bath faucets. Includes seats, springs, cams, o-rings and ball assembly for a complete 11-piece repair kit. All the components are constructed with durability to endure the ...Ara®. View Full Ara® Bathroom Collection. Single Handle Bathroom Faucet in Chrome. Model#: 567LF-MPU. List Price: $36700. Pricing. * Actual pricing may vary and is determined by the selling retailer/wholesaler/dealer. WHERE TO BUY.This will ensure a trouble free repair from the start. I also want to encourage you to check out my video titled "How to replace Delta style stems and seats-cartridge style faucet repair" which is Delta's version of a two handle faucet. In it you get a nice shot of how the springs and rubber seats are installed.A warranty claim may be made and replacement parts may be obtained by calling 1-800-345-DELTA (3358) or by contacting us by mail or online as follows (please include your model number and date of original purchase): In the United States and Mexico: Delta Faucet Company. 55 E. 111 th Street. Indianapolis, IN 46280.DL-10 Cartridge for Delta Scald-Guard Tub/Shower Single-Lever Faucets. Add to Cart. Compare. (52) Model# 10992.Moen 1225 Single Handle Faucet Replacement Cartridge, Brass Stem. dummy. Moen Brass Single-Handle Kitchen and Bathroom Sink Faucet Cartridge Replacement, 1200. dummy. Qualihome Mansfield Toilet Handle Replacement, Front Mount Toilet Tank Lever Flush Handle (Chrome) Try again! Details. Added to Cart. …Delta. RP50587 2-11/16 in. Hot and Cold Cartridge for Single Handle Lavatory and Kitchen Faucets. 43. (171) Questions & Answers (10) Hover Image to Zoom. $39.64. Pay $14.64 after $25 OFF your total qualifying …Moen 104421 Cartridge Puller for 1200, 1222 and 1225 Single Handle Cartridges, Plumbing Tool for replacing Sink Faucet Cartridge. $24.99 $ 24. 99. Get it as soon as Thursday, May 30. ... The Moen One-Handle PosiTemp Faucet Cartridge Replacement allows you to replace the cartridge within the fixture, which can restore ideal functionality to the ...When I installed to my Delta Faucet handle (Tub/Shower -134900 Series-) it was too loose. ... I lost the set screw out of the handle. (cover you drain with a cloth or paper before you start!) I found the replacement part number on the same set of instructions and ordered it. It was here in 2 days and I could not be prouder that I did this ...Is your shower valve leaking? Does the shower not shut off completely? This YouTube video will explain how to replace a Delta shower valve cartridge part #...About This Product. Repair your leaky faucet with the Danco Replacement Cartridge for Delta Single Handle Faucets. Fixing your dripping kitchen or lavatory faucet by replacing the cartridge will save water and keep you from buying an entire new faucet. It is designed to be compatible with hot and cold water applications.The Delta ® single-handle valve cartridge is ideal for single-handle kitchen and lavatory faucets. Delta ® faucets with DIAMOND Seal ® Technology perform like new for life with a patented design which reduces leak points, is less hassle to install and lasts twice as long as the industry standard.Essential Values Single Handle Valve Cartridge (#RP50587) – Aftermarket Replacement for Delta Faucets kitchen| Kitchen Faucet Repair Kit - Made from the Markets Finest Metals & Plastics 4.0 out of 5 stars 789Whether shower valve, one handle, or 2 handle faucet, stubborn bonnet nuts typically have the same cause and solution - the buildup of minerals will act like cement holding the bonnet in place. The solution is 2 stages. Protect the area around the faucet from any drips and runs. Mix vinegar and water, half and half. Soak a cloth in the vinegar ...Complete the look in your bathroom with a shower from the Classic Bath Collection. Delta® showers with Monitor ... the housing for the set screw had cracked and would no longer tighten the handle to the stem/cartridge. The replacement trim kit has no ... Classic Single Handle Bathroom Faucet List Price: $240.45 -$336.25 ...Learn how to change the faucet cartridge in your Delta sink. Buy the kit on Amazon!https://amzn.to/42jgbNxDelta P/N RP25513Interested in a home solar system?...Universal - 17 Series. Dual-function valve cartridge maintain, Hi Vennwill, Thank you for your review regarding our Delta Faucet Delta PORTWOOD, List Price: $34665. WHERE TO BUY. PRODUCT FEATURES. Documents & Specs. REVIEWS., Single Handle; Two Handle; Pull-Down/Pull-Out; High Arc; Specialty Faucets. Touch Activat, Post the original cartridge and you will get a better response. It's a 1400 series , Shower Faucet Replacement. If you have a two-handle faucet, it's easies, Mar 27, 2024 · The Delta ® single-handle valve cartridge is id, Get free shipping on qualified KOHLER Faucet Cartridges products or, Enhance your space with the innovative Trinsic® Bathroom , Single Handle Tub and Shower. Global Navigation Menu. Del, About This Product. Repair your leaky faucet with the Danco Replacem, How to fix your leaky single handle delta faucet and , Valve Cartridge - Peerless. This is the original cartridge us, Step 10. Line up the notches on the cartridge and the, Dreyoo Kitchen Single Handle Faucet Repair Kit with RP212 Stainless , Feb 12, 2024 · Cartridge Assembly - 1300 / 1400 Series (04/20, RP46463 Delta Shower Cartridge Replacement for Delta Monitor 17 Serie, Repair Kit for Delta and Peerless Faucets. 99. (206) Q.