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O-Rings

We offer a variety of O-ring replacements in sizes that fit your filter housing. Many of these products are engineered from durable synthetic materials that can sustain high levels of pressure, hot and cold temperatures, and a range of fluid types. O-rings should be replaced every 2 filter changes to protect your water filter system. Hand tighten only to prevent leaks.

Ace Hardware O-Rings American Plumber O-Rings Aqua-Pure O-Rings Culligan O-Rings Everpure O-Rings
Frigidare O-Rings GE O-Rings Hydrotech O-Rings Omnifilter O-Rings Pentek O-rings
Pura O-Rings

Popular Products

Pentek 151122 O-Ring for Big Blue and Heavy Duty Housings
Pentek 151122 O-Ring for Big Blue and Heavy Duty Housings
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Ships in 1 business day

Retail: $5.99

As Low As: $3.95

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Pentek 151120 Filter O-Ring Replaces W34-OR
Pentek 151120 Filter O-Ring Replaces W34-OR
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Ships in 1 business day

Retail: $7.20

As Low As: $3.99

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Pentek 151122 O-Ring Replacement For American Plumber W10-OR
Pentek 151122 O-Ring Replacement For American Plumber W10-OR
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Retail: $5.99

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Pentek 151122 Replacement For Culligan 151122-27 O-Ring
Pentek 151122 Replacement For Culligan 151122-27 O-Ring
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Retail: $5.99

As Low As: $3.95

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GE WS03X10038 Water Filter Housing O-ring
GE WS03X10038 Water Filter Housing O-ring
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Ships in 3 to 4 business days.

Retail: $14.99

Our Price: $9.95

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Pentek 151122 Replacement For Pentek BB BUNA-N
Pentek 151122 Replacement For Pentek BB BUNA-N
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Retail: $5.99

As Low As: $3.95

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Pentek 151122 O-Ring Replacement For Scaleless SL20BB
Pentek 151122 O-Ring Replacement For Scaleless SL20BB
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Retail: $5.99

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Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
Special Order.
Ships in 5 to 6 days.

Retail: $24.07

Our Price: $15.37

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Pentek 151122 O-Ring Replacement For American Plumber 152032
Pentek 151122 O-Ring Replacement For American Plumber 152032
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Retail: $5.99

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Pentek O-Ring For SlimLine Filter Housing 151121
Pentek O-Ring For SlimLine Filter Housing 151121
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Retail: $12.49

Our Price: $4.99

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American Plumber WBC-OR, 151254 Square-Cut O-Ring
American Plumber WBC-OR, 151254 Square-Cut O-Ring
Special Order.
Ships in 5 to 6 days.

Retail: $18.08

As Low As: $9.72

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WS03X10001 GE Smartwater O-Ring 3-3/8" X 3-5/8"
WS03X10001 GE Smartwater O-Ring 3-3/8" X 3-5/8"
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Retail: $4.99

Our Price: $4.95

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Pentek 151121 O-Ring Replacement for American Plumber W38-OR
Pentek 151121 O-Ring Replacement for American Plumber W38-OR
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Retail: $12.49

Our Price: $4.99

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OmniFilter K4 Replacement O-Rings for Under Sink
OmniFilter K4 Replacement O-Rings for Under Sink
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Retail: $10.99

Our Price: $8.95

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Culligan OR-100A Replacement O-Ring for Large Housings
Culligan OR-100A Replacement O-Ring for Large Housings
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Retail: $9.99

Our Price: $7.95

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Pentek 151122 O-Ring Replacement For Culligan 1019189
Pentek 151122 O-Ring Replacement For Culligan 1019189
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Retail: $5.99

As Low As: $3.95

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Hydrotech Housing O-ring 34201026
Hydrotech Housing O-ring 34201026
Special Order.
Ships in 5 to 6 days.

Retail: $5.99

Our Price: $4.95

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Pentek 151120 Replacement for Everpure EV3112-40 Filter Housing
Pentek 151120 Replacement for Everpure EV3112-40 Filter Housing
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Retail: $7.20

As Low As: $3.99

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Pentek SH143330 O-Ring Replacement For American Plumber OR-233
Pentek SH143330 O-Ring Replacement For American Plumber OR-233
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $4.95

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Frigidaire O-Ring 218720100
Frigidaire O-Ring 218720100
In Stock!
Ships in 3 to 4 business days.

Retail: $9.99

Our Price: $8.99

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Pura 34202021 Sleeve O-ring
Pura 34202021 Sleeve O-ring
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $5.95

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Pentek 151122 O-Ring Replacement For Everpure EV309709
Pentek 151122 O-Ring Replacement For Everpure EV309709
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Retail: $5.99

As Low As: $3.95

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Pentek 158096 Silicone O-ring
Pentek 158096 Silicone O-ring
Special Order.
Ships in 5 to 6 days.

Retail: $36.07

Our Price: $14.95

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Pentek O-Ring Gasket for ST-BC Stainless Series
Pentek O-Ring Gasket for ST-BC Stainless Series
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within the continental U.S.

In Stock!
Ships in 1 business day

Retail: $139.99

As Low As: $93.94

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WS03X10046 GE O-Ring Kit (2 large, 4 small)
WS03X10046 GE O-Ring Kit (2 large, 4 small)
Special Order.
Ships in 5 to 6 days.

Retail: $23.99

Our Price: $12.99

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WS03X10028 GE Smartwater Filter O-ring
WS03X10028 GE Smartwater Filter O-ring
Special Order.
Ships in 4 to 5 days.

Retail: $16.99

Our Price: $14.95

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Culligan OR-233 Replacement O-Ring for 3" Housings
Culligan OR-233 Replacement O-Ring for 3" Housings
Special Order.
Ships in 5 to 6 days.

Retail: $53.94

Our Price: $26.94

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Frigidaire O-ring 218904301
Frigidaire O-ring 218904301
In Stock!
Ships in 3 to 4 business days.

Retail: $12.99

Our Price: $9.95

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Pentek SH143330 O-Ring for 3/8" Slimline Housings
Pentek SH143330 O-Ring for 3/8" Slimline Housings
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $4.95

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Pentek 151122 O-Ring Replacement For Ace Hardware 4001756
Pentek 151122 O-Ring Replacement For Ace Hardware 4001756
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

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Pentek 143216 O-Ring for Pentek ST Filter Housings
Pentek 143216 O-Ring for Pentek ST Filter Housings
Special Order.
Ships in 5 to 6 days.

Retail: $24.12

As Low As: $16.56

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Pentek 151118 Silicone O-ring
Pentek 151118 Silicone O-ring
Special Order.
Ships in 5 to 6 days.

Retail: $24.04

Our Price: $16.51

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Hydrotech Inlet Diaphragm Cover O-Ring 34201024
Hydrotech Inlet Diaphragm Cover O-Ring 34201024
Special Order.
Ships in 5 to 6 days.

Retail: $4.99

Our Price: $4.50

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Hydrotech O-Ring 13771 Replaces Hydrotech 34201006
Hydrotech O-Ring 13771 Replaces Hydrotech 34201006
Special Order.
Ships in 5 to 6 days.

Retail: $6.99

Our Price: $5.95

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Everpure EV3037-00 Cartridge O-Ring, Large- 6-Pack
Everpure EV3037-00 Cartridge O-Ring, Large- 6-Pack
In Stock!
Ships in 5 to 6 business days.

Retail: $19.99

Our Price: $14.95

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Everpure O-Ring (For Valve Stem) EV301000
Everpure O-Ring (For Valve Stem) EV301000
In Stock!
Ships in 5 to 6 business days.

Retail: $5.99

Our Price: $4.99

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3M Aqua-Pure AP200, AP800 Series O-Ring
3M Aqua-Pure AP200, AP800 Series O-Ring
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $499.50

Our Price: $349.50

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3M Aqua-Pure 63597-174C 3-1/2" O-Ring-
3M Aqua-Pure 63597-174C 3-1/2" O-Ring-
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $224.75

Our Price: $149.75

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Pentek 151122 O-Ring Replacement For Ace Hardware 4001756
Pentek 151122 O-Ring Replacement For Ace Hardware 4001756
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

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FILTERS FAST SHIPPING POLICY

Filters Fast offers economy free shipping every day on U.S. orders over $99 when shipping to the lower 48 states. This free shipping offer excludes Alaska and Hawaii, P.O. Box or APO/FPO/DPO and international orders. Orders under $99 ship for a fee to most destinations within the contiguous United States (excluding Hawaii and Alaska).

Filters Fast offers expedited shipping. When selecting any expedited shipping method, such as FedEx 2nd day or Overnight, your Transaction will be processed and Products shipped out the next business day. Business days are Monday through Friday. Any expedited delivery requests that are placed Friday through Sunday will not result in Products shipped until Monday. If the following Monday falls on a FedEx recognized holiday, your Products will be shipped on Tuesday.

Most Products ship within 1-2 business days after Transaction finalization, unless otherwise stated on the Product page on the Services. Your final shipping cost and estimated delivery time frame will be available to you during checkout.

We offer guaranteed same-day shipping on select Products with your preferred delivery method every Tuesday, Wednesday, and Thursday. When guaranteed same-day shipping is available on a Product, we will state this on the Product page, with the label "Ready to Ship". The "order within" countdown timer provides the window of time in which you must checkout to have your Products ship out the same day the Transaction is finalized. If a Transaction is finalized right at or after 2:00 PM EST, the applicable Products will ship the next business day. Our business days are Monday through Friday. Filters Fast also reserves the right, without cause, to make changes to any same-day shipping timeframe as same-day shipping may become unavailable within the allotted timeframe due to changes in inventory or high-volume capacity when you finalized your Transaction.

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