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Your cart is empty.Product Description
Captain O-Ring's replacement OR-250 o-rings are compatible with the following filter housings:
- Culligan WH-HD200-C
- 3M Filtrete 3WH-HD-S01
- 3M Aqua Pure AP801B, AP801T, AP802B, AP802T (Not for the original AP801/AP802, only for the newer housings that end in B or T)
- DuPont WFHD1300 Series, DuPont WFHD13001
- Express Water Whole House Filter Housings
- Glacier Bay HDG4HS4
- iSpring WGB21B, WGB12B, WDS150K, WDS80K
- American Granby housings that call for part # HOR5 (including American Granby HFHPLD10BP, HFHPLD10BP20, and HFHPLD10CP).
- Nuvo GEN 2 Manor (not for the older GEN 1 Manor housings that take a smaller o-ring)
- Watts WOR-R Residential Series, WOR-C Commercial Series, WOR-FF Full-Flow Series
Frequently Asked Water Filter O-Ring Questions
How often do I need to change my filter housing's o-ring?
Captain O-Ring's high quality replacement water filter housing o-rings are designed for reliable extended use. Still, it is typically recommended to replace your o-ring on every third filter change to ensure it is in top shape to prevent leaks.
Can I use grease or lubricant on these o-rings?
Since Captain O-Ring supplies high quality o-rings without surface imperfections or tacky/sticky surface texture, lubrication is typically not needed if the filter housing sealing surfaces are clean and free of debris. Simply wet the o-rings with water before installing. However, if lubrication is preferred, these Buna Nitrile rubber o-rings are compatible with silicone based and petroleum based lubricants, as well as natural lubricants like vegetable oil.
What if I don't know what o-ring part number my filter housing needs?
Not sure which o-ring part number you need for your filter housing? Use our handy printable water filter housing o-ring size chart. Simply print out the chart and lay your old o-ring on the page to see which o-ring it matches with. You can find the size chart listed as "User Guide [PDF]" under the "Product guides and documents" section or the "downloads" section on this page, depending on your Amazon page layout.
KCisco
Reviewed in Canada on February 1, 2025
I have a Waterite HL101LBUR 10" whole home water filter. The OEM O-rings are RKE0013HL-B. I purchased a set of O-rings a while back that were listed as the OEM size equivalent but have had problems with those O-rings not sealing after a first use. They seem to pack down and when re-used not seal properly allowing very slow seeps for a short while, eventually sealing again. I felt the oem O-rings were always a bit too small in cross-section size, sitting only very slightly proud of the filter body surface. When I went looking for an alternate, the option I found that is slightly larger in cross-section is a Culligan O-ring part #OR-250. My original O-ring is listed as 0.193" thick, where this OR-250 version is the same diameter, but the cross-section is 0.210" thick. So it fits perfectly in the same filter O-ring groove (which is oversized for the oem O-ring, but the slightly larger cross-section means it sits higher in the groove, contacts the base sooner when tightening, and squishes a bit more to match any possible imperfections between filter housing and filter base. I'm hoping it has a bit more rebound on repeated uses as well so I can get more than one use out of it before having to replace it. I've only done a first install so far, and it has worked perfectly, sitting taller in the groove as expected, and sealing perfectly on first tightening. I'll report back in 4-6 months after my next filter replcament and advise how it works on a subsequent use. I expect it should work much better than the oem size due to it's slightly larger cross section, as long as it doesn't take too much of a "set" after first use. I recommend this item and seller based on my experience so far. See the attached photos for my filter housing style and how this O-ring fits in the groove.
J. Thom
Reviewed in the United States on September 8, 2024
Haven't tried to install yet.
Customer
Reviewed in the United States on September 18, 2024
I used the O-ring for my water filter
Brinda W.
Reviewed in the United States on August 5, 2024
Good quality
464
Reviewed in the United States on August 1, 2024
Contacted company because my water filter MNF wasn't listed. Gave a prompt response to the ? of O ring size. Ordered part which even with exchange was significantly cheaper than Amazon.ca Part arrived quicklyParts was not installed but compared to original and appears to be well made.
Pat Partain
Reviewed in the United States on June 27, 2024
Arrived quickly, perfect fit
Gerald Mathews
Reviewed in the United States on October 27, 2024
These O-rings fit my Nuvo H2O Manor Duo perfect!Don’t order the O-rings from Nuvo - they are too small and will leak! I tried 4 from Nuvo and they all leaked.
BBaller
Reviewed in the United States on July 24, 2023
These worked perfect for sealing the canisters on a CR Spotless system. Original manufacturer price was ridiculous for just one seal. Here I was able to get 3 of them. No leaks now!
Loch J
Reviewed in the United States on August 1, 2019
To my knowledge, which is somewhat limited in this area, these rings are all just a fraction larger than what would work perfectly. However, with some careful placement and a couple of attempts, it will settle in and form a good seal.
ChristianT
Reviewed in Canada on May 9, 2019
Basically got 3 of these for the price of 1 original Culligan. They look to be the same but won't know for a few months until I change the filter.
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