20 Best Water Filter O Ring Seal [2025]

Are you looking for the best Water Filter O Ring Seal? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Water Filter O Ring Seal.

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1 6-Pack of O-Rings for GE (TM) 2.5 Inch Water Filters - Compatible with GXWH20F, GXWH04F, GXRM10,... 6-Pack of O-Rings for GE (TM) 2.5 Inch Water Filters - Compatible with GXWH20F, GXWH04F, GXRM10,...
2 Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM Size... Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM...
3 O-Ring for Reverse Osmosis Water Filter Housings Diameter 3.5' O.D. Black 3 Pcs O-Ring Set O-Ring for Reverse Osmosis Water Filter Housings Diameter 3.5" O.D. Black 3 Pcs O-Ring Set
4 151120 OR-34 Replacement Water Filter Housing Oring Compatible with Pentek Culligan DuPont (6 Pack) 151120 OR-34 Replacement Water Filter Housing Oring Compatible with Pentek Culligan DuPont (6 Pack)
5 Sawyer Products Water Filter Replacement Gasket Seals, 6-Pack Sawyer Products Water Filter Replacement Gasket Seals, 6-Pack
6 Captain O-Ring - 68898-32 Replacement O-Rings for 3M AP801, AP801-C, AP802, KemFlo 5000 & 10,000... Captain O-Ring - 68898-32 Replacement O-Rings for 3M AP801, AP801-C, AP802, KemFlo 5000 & 10,000...
7 (3 Pack) O-Ring Replacements for Standard 10' Reverse Osmosis Water Filter Housings, Universal Fit (3 Pack) O-Ring Replacements for Standard 10" Reverse Osmosis Water Filter Housings, Universal Fit
8 AO Smith AO-WH-LG-OR - Whole House Water Filter O-Ring 5.48 Inch 14 Cm Diameter Fits Most Housings... AO Smith AO-WH-LG-OR - Whole House Water Filter O-Ring 5.48 Inch 14 Cm Diameter Fits Most...
9 Captain O-Ring - Water Filter & Reverse Osmosis O-Ring Seal 7223633 (3 Pack) Compatible with Kenmore... Captain O-Ring - Water Filter & Reverse Osmosis O-Ring Seal 7223633 (3 Pack) Compatible with...
10 Captain O-Ring - Replacement 151120 O-Ring compatible with Pentek Water Filter Housing (3 Pack) Captain O-Ring - Replacement 151120 O-Ring compatible with Pentek Water Filter Housing (3 Pack)
11 5-Pack 151121 OR-38 O-Ring Gasket Seal Replacement for Pentek/Pentair Culligan Water Filter Slim... 5-Pack 151121 OR-38 O-Ring Gasket Seal Replacement for Pentek/Pentair Culligan Water Filter Slim...
12 Honoson 20 Pcs Screen Hose Washer 1/2 Garden Filter Pressure Shower Head Washer Gasket Stainless... Honoson 20 Pcs Screen Hose Washer 1/2 Garden Filter Pressure Shower Head Washer Gasket Stainless...
13 Captain O-Ring - Replacement for Pentek 151121 / OR-38 Water Filter Housing ORing Gasket Seal (3... Captain O-Ring - Replacement for Pentek 151121 / OR-38 Water Filter Housing ORing Gasket Seal (3...
14 SimPure O Ring Replacements, Seals, Gaskets, for DB10/DB20 Whole House Water Filter Housing Standard... SimPure O Ring Replacements, Seals, Gaskets, for DB10/DB20 Whole House Water Filter Housing...
15 Captain O-Ring - (3 Pack) Replacement WHKF-C8 O-Rings for Whirlpool WHKF-DWHV, WHKF-DWH & WHKF-DUF... Captain O-Ring - (3 Pack) Replacement WHKF-C8 O-Rings for Whirlpool WHKF-DWHV, WHKF-DWH &...
16 Kinetic Wares- KWGE25RG (WS03X10038) ORings Compatible with GE 2.5 Inch Water Filters GXWH01C,... Kinetic Wares- KWGE25RG (WS03X10038) ORings Compatible with GE 2.5 Inch Water Filters GXWH01C,...
17 Captain O-Ring - GE KWGE25RG (WS03X10038) Replacement ORings for GE GXWH01C, CXWH08C, GXWH04F,... Captain O-Ring - GE KWGE25RG (WS03X10038) Replacement ORings for GE GXWH01C, CXWH08C, GXWH04F,...
18 Captain O-Ring - Replacement for Culligan OR-150 Water Filter Housing ORing Gasket Seal (3 Pack) Captain O-Ring - Replacement for Culligan OR-150 Water Filter Housing ORing Gasket Seal (3 Pack)
19 Litorange (6 Pack) Silicone (Better than Buna-N) O-Ring Gasket Sealing Replacement for Pentek,... Litorange (6 Pack) Silicone (Better than Buna-N) O-Ring Gasket Sealing Replacement for Pentek,...
20 Water Filter Housing Replacement O Rings for AP801-AP802, KemFlo 5000 & 10000, Keystone CG10... Water Filter Housing Replacement O Rings for AP801-AP802, KemFlo 5000 & 10000, Keystone CG10...
SaleBestseller No. 1
6-Pack of O-Rings for GE (TM) 2.5 Inch Water Filters - Compatible with GXWH20F, GXWH04F, GXRM10,...
  • Perfect Replacements: Perfect replacement o-rings / gaskets / seals for GE (TM) 2.5 in water filter housings. Compatible with models GXWH20F, GXWH04F,...
  • Replace Your Lost Or Loose Gasket: Gaskets get lost periodically and get warped/worn out over time. A damaged gasket (or no gasket, at all) means a...
  • Made From High-quality Rubber: Our gaskets are made from high-quality, durable rubber and are made to last. BPA/Phthalate free. The Gasket is a...
  • Save Money, Easy To Install: Replacement gaskets for these filters are often hard or expensive to find - don't waste money on expensive replacements!...
Bestseller No. 2
Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM Size...
  • Part: Replacement 151122 o-rings for Pentek style Big Blue Water Filter Housings (3 Pack)
  • Includes 3 replacement o-rings (also called seals or gaskets) to repair your leaking water filter housing [OEM UPC: 051678511220 , 885343762095]
  • 151122 OEM Size o-rings are approximately 5.5" Inside Diameter x 5.83" Outside Diameter x 0.165" Thickness
  • Direct Replacement for the following part numbers (see description below for full water filter compatibility list): Ace Hardware 4001756; American...
  • Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry.
Bestseller No. 3
O-Ring for Reverse Osmosis Water Filter Housings Diameter 3.5" O.D. Black 3 Pcs O-Ring Set
  • 1. SIZE: 3.5 inches in diameter.
  • 2. FITMENT: Compatible for most most industry standard size 10” filter housings.
  • 3. MATERIAL: O-Rings made of high-quality and durable rubber. Lightweight and Durable.
  • 4. SEAL LEAK: Can be used in conjunction with any food grade lubricant to provide the largest leak seal for your water filter.(Kindly noted: Replace...
  • 5. PACKAGE: A set of 3 O-rings.
Bestseller No. 4
151120 OR-34 Replacement Water Filter Housing Oring Compatible with Pentek Culligan DuPont (6 Pack)
  • Genuine Kinetic Wares Replacement Part 151120
  • Direct Replacement for Pentek 151120, WFAO150, 01019184, 151120-27
  • Fits Newer Filter Housings there are 2 versions of this please check size.
  • Includes six (6) O-Rings To Seal Your Water Filter Housing
  • Buna-N 3.86” ID x .14” CS Please check size this is the newer version.
Bestseller No. 5
Sawyer Products Water Filter Replacement Gasket Seals, 6-Pack
  • Pack of six replacement gaskets/O-rings for use in Sawyer water filters
  • Gasket is compatible with the following Sawyer water filtration systems: MINI, Squeeze (including All-in-One), and the Micro Squeeze
  • Made of BPA-free, food-grade plastic, they replace lost, loose, leaky, moldy, and worn gaskets
  • Keep replacement gaskets on hand when travelling, camping, hiking, and backpacking
  • Dimensions: 0.59 inch inner diameter, 0.985 inch outer diameter, 0.125 inches high
Bestseller No. 6
Captain O-Ring - 68898-32 Replacement O-Rings for 3M AP801, AP801-C, AP802, KemFlo 5000 & 10,000...
  • Includes 3 replacement 68898-32 (also called 68898-31) o-rings to repair your leaking water filter housing
  • Fits Housings: 3M AP801, 3M AP801-C, 3M AP802, 3M 3WH-HD-S01, KemFlo 5000 Series, KemFlo 10,000 Series
  • Replace your O-Ring with every 3rd filter change to prevent leaks
  • O-Ring is approximately 5.6" Inside Diameter x 0.215" Thickness
  • Manufactured and warrantied by Captain O-Ring LLC
Bestseller No. 7
(3 Pack) O-Ring Replacements for Standard 10" Reverse Osmosis Water Filter Housings, Universal Fit
  • (3 Pack) O-Ring Replacements for Standard 10" Reverse Osmosis Water Filter Housings, Universal Fit
  • Compatible with APEC, iSpring, Geekpure, Olympia Water Systems, and many more.
  • Approximately 3.5" OD
  • Quality BUNA-N Material
Bestseller No. 8
AO Smith AO-WH-LG-OR - Whole House Water Filter O-Ring 5.48 Inch 14 Cm Diameter Fits Most Housings...
  • Large O-Ring 5.48 inch 14 cm actual diameter
  • Replacement for use with: Whole House Sediment Filter AO-WH-PRE. Also fits most filter sumps designed for 4.5" filter elements.
  • Use only genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
  • Keep the water-tight seal on your whole house sediment filter. Use when you change out your filter every 3-6 months.
  • Includes 1 large O-ring, individually packaged.
Bestseller No. 9
Captain O-Ring - Water Filter & Reverse Osmosis O-Ring Seal 7223633 (3 Pack) Compatible with Kenmore...
  • Water Filter O-Ring 7223633 compatible with Kenmore & Whirlpool Water Systems
  • Includes Three (3) O-Rings
  • The 7223633 o-rings measure about 2.25" Inside Diameter x 0.14" Thickness
  • Manufactured and Warrantied by Captain O-Ring LLC
Bestseller No. 10
Captain O-Ring - Replacement 151120 O-Ring compatible with Pentek Water Filter Housing (3 Pack)
  • (3 Pack) 151120 O-Ring for Pentek Water Filters
  • Direct replacement for Part Numbers: Ace Hardware 46766, American Plumber 152030, W34-OR, Ametek Kleen-Plus 151120-03, OR-34, Culligan 01019184,...
  • Compatible with: Pentek #10, #12, and #20 housings with 3/4" inlet/outlet connections; Pentek 150071; Culligan HF-150, HF-150A, HF-160, HF-360; Ace...
  • Material: Buna-N (nitrile butadiene rubber)
  • Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry.
Bestseller No. 12
Honoson 20 Pcs Screen Hose Washer 1/2 Garden Filter Pressure Shower Head Washer Gasket Stainless...
  • Package contents: the package includes 20 pieces of 40 mesh stainless steel filter gasket seal rubber washers for shower heads, adequate quantity for...
  • Good material: the hose washers are made of stainless steel and quality rubber, which is durable and sturdy, convenient for you to use
  • Dimensions: outer diameter 19 millimeters, inner diameter 11 millimeters, thickness 3 millimeters, stainless steel 40 mesh garden hose; Please confirm...
  • Effective function: fits hand held hoses and some shower heads to filter sand and gravel to reduce the possibility of nozzle clogging, it can apply to...
  • Design: the rubber washer with stainless steel filter mesh, serves as a flow restrictor can reduce the waste of water effectively
Bestseller No. 13
Captain O-Ring - Replacement for Pentek 151121 / OR-38 Water Filter Housing ORing Gasket Seal (3...
  • Part: Pentek Water 151121 (3 pack)
  • Direct replacement for the following part numbers: Pentek 151121; American Plumber W38-OR , 152031; Ametek 151121; Campbell 10800-034; Culligan OR-38;...
  • Compatible with the following water filter models: Pentek #5 and #10 Slim Line Housings, Pentek 3/8" Inlet/Outlet Slim Line Housings with a 3.5"...
  • The 151121 o-ring has an inside diameter of 3.36" (about 3-3/8") and thickness of 0.14" (just over 1/8"). Material: Buna-N (nitrile butadiene rubber)
  • Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry.
Bestseller No. 14
SimPure O Ring Replacements, Seals, Gaskets, for DB10/DB20 Whole House Water Filter Housing Standard...
  • COMPATIBILITY - 3 pack O-Ring (Seals or Gaskets) replacements for SimPure whole house water filter housing DB10, DB20, and other water filter housing...
  • O-RING DIMENSION - 5.2" Inside Diameter x 5.6" Outside Diameter x 0.215" Thickness
  • MATERIAL - Made of nitrile butadiene rubber (Buna-N) for flexibility and resistance to abrasion and tearing.
  • INSTALLATION - No grease required, make sure the filter housing sealing surfaces are clean and free of debris before install. Compatible with silicone...
  • SUGGESTION - It is typically recommended to replace your o-ring when changing the filter cartridge to ensure it is in top shape, which avoids possible...
Bestseller No. 15
Captain O-Ring - (3 Pack) Replacement WHKF-C8 O-Rings for Whirlpool WHKF-DWHV, WHKF-DWH & WHKF-DUF...
  • Replacement O-Rings for the following Whirlpool filter housings that use a 2.5 inch cartridge (WHKF-DWH, WHKF-DWHV, WHCF-DWHV, WHCF-DUF, and WHKF-DUF)
  • Includes three (3) o-rings
  • O-Ring inner dimension 3.48 inch x 0.14 inch (88mm x 3.53mm). Please note that these o-rings are for filters that accept the thinner 2.5” wide...
  • Durable Nitrile Butadiene (Buna-N) Rubber Construction
  • Manufactured and Warrantied for one year by Captain O-Ring LLC
Bestseller No. 16
Kinetic Wares- KWGE25RG (WS03X10038) ORings Compatible with GE 2.5 Inch Water Filters GXWH01C,...
  • Replacement O-Rings Compatible with 2.5" GE Water Filter Housings
  • Compatible with GE GXWH20F, GXWH20S, and more!
  • Will it fit? This O’rings is just under 3-5/16 inside dimension and are just under 1/8” thick.
  • Warrantied for one year against manufacturer defect by Kinetic Wares LLC
Bestseller No. 17
Captain O-Ring - GE KWGE25RG (WS03X10038) Replacement ORings for GE GXWH01C, CXWH08C, GXWH04F,...
  • Replacement O-Rings for 2.5" GE Water Filter Housings
  • Compatible with GE GXWH01C, CXWH08C, GXWH04F, GXWH20F, GXWH20S, GXRM10, GX1S01R and more!
  • Contains Three (3) O-Rings
  • Approximately 3-5/16 inch Inside Diameter X 3-9/16 inch Outside Diameter
  • Warrantied for one year against manufacturer defect by Captain O-Ring LLC
Bestseller No. 18
Captain O-Ring - Replacement for Culligan OR-150 Water Filter Housing ORing Gasket Seal (3 Pack)
  • Part: Culligan OR-150
  • Material: Buna-N (nitrile butadiene rubber)
  • Size: Approximately 3-3/4" (3.75") Inside Diameter x 0.14" Thickness
  • Commonly used with filter model number Wh-S200-C
  • Manufactured and Warrantied by Captain O-Ring LLC, with decades of experience in the sealing and chemical industry.
Bestseller No. 19
Litorange (6 Pack) Silicone (Better than Buna-N) O-Ring Gasket Sealing Replacement for Pentek,...
  • ★ Compatible With: Pentek, Pentair Water 151122 Big Blue Housings.
  • ★ Includes 6 PCS replacement o-rings (also called seals or gaskets) to repair your leaking water filter housing.
  • ★ 151122 Size o-rings are approximately 5.5" Inside Diameter x 5.8" Outside Diameter x 0.165" Thickness.
  • ★ Direct Replacement for the following part numbers (see description below for full water filter compatibility list): Ace Hardware 4001756; American...
  • ★ Manufactured and Warrantied by Litorange. Litorange O Rings are made from soft silicone construction better sealing than Buna-N,Rubber material.
Bestseller No. 20
Water Filter Housing Replacement O Rings for AP801-AP802, KemFlo 5000 & 10000, Keystone CG10...
  • (2) Replacement O-rings for 3M Aqua-Pure AP801/AP802 Housing by KleenWater
  • A High Quality, Low Cost Alternative to More Expensive OEM O-rings
  • For (3) cartridge kit with (1) o ring Amazon Search KW810EC(3)-AP801oring(1)
  • (2) Replacement O-rings for KemFlo FM5000 & FM10000 Series Water Filters
  • (2) Replacement O-rings for Keystone CG10

Having trouble finding a great Water Filter O Ring Seal?

This problem is well understood by us because we have gone through the entire Water Filter O Ring Seal research process ourselves, which is why we have put together a comprehensive list of the best Water Filter O Ring Seals available in the market today.

After hours of searching and using all the models on the market, we have found the best Water Filter O Ring Seal for 2023. See our ranking below!

How Do You Buy The Best Water Filter O Ring Seal?

Do you get stressed out thinking about shopping for a great Water Filter O Ring Seal? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Water Filter O Ring Seal, which is why we have assembled a comprehensive list of the greatest Water Filter O Ring Seal available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Water Filter O Ring Seal that you consider buying. Your questions might include the following:

  • Is it worth buying an Water Filter O Ring Seal?
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  • What factors deserve consideration when shopping for an effective Water Filter O Ring Seal?
  • Why is it crucial to invest in any Water Filter O Ring Seal, much less the best one?
  • Which Water Filter O Ring Seal are good in the current market?
  • Where can you find information like this about Water Filter O Ring Seal?

We’re convinced that you likely have far more questions than just these regarding Water Filter O Ring Seal, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Water Filter O Ring Seal, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Water Filter O Ring Seal. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Water Filter O Ring Seal buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Water Filter O Ring Seal currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Water Filter O Ring Seal has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Water Filter O Ring Seal?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Water Filter O Ring Seal.
  5. Customer Ratings: Number ratings grade Water Filter O Ring Seal objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Water Filter O Ring Seal.
  7. Product Quality: You don’t always get what you pay for with an Water Filter O Ring Seal, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Water Filter O Ring Seal is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Water Filter O Ring Seal information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Water Filter O Ring Seal is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What are the O-rings used for on my water filter?

A: O-Rings are used to seal the water filter housing cap to the water filter housing sump to prevent leaks. It is important to lubricate your o-ring with FDA Food-Grade Silicone Grease.

Q: How do you lubricate the O-ring on a filter?

A: It is important to lubricate your o-ring with FDA Food-Grade Silicone Grease. DO NOT use petroleum jelly because this can cause the o-rings to swell preventing a tight seal. O-Rings should be replaced every couple of filter changes or when you notice any damage or stretching of the o-ring.

Q: Can I use petroleum jelly on the O-rings?

A: DO NOT use petroleum jelly because this can cause the o-rings to swell preventing a tight seal. O-Rings should be replaced every couple of filter changes or when you notice any damage or stretching of the o-ring. Helpful Hint: If you do not know the size of your system’s o-ring, open the filter housing and measure the diameter of the o-ring.

Q: How often should I replace the O-ring on my filter?

A: O-Rings should be replaced every couple of filter changes or when you notice any damage or stretching of the o-ring. Helpful Hint: If you do not know the size of your system’s o-ring, open the filter housing and measure the diameter of the o-ring.