--- product_id: 56149396 title: "Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc)" brand: "captain o-ring" price: "175 Lei" currency: RON in_stock: true reviews_count: 10 category: "Captain O Ring" url: https://www.desertcart.ro/products/56149396-captain-o-ring-or-250-filter-o-ring-3-pack store_origin: RO region: Romania --- # NSF 61 certified safe rubber 5.5" ID x 5.88" OD precision fit 3-pack replacement set Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) **Brand:** captain o-ring **Price:** 175 Lei **Availability:** βœ… In Stock ## Summary > πŸ’§ Seal the deal with Captain O-Ring – because your water deserves the perfect fit! ## Quick Answers - **What is this?** Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) by captain o-ring - **How much does it cost?** 175 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/56149396-captain-o-ring-or-250-filter-o-ring-3-pack) ## Best For - captain o-ring enthusiasts ## Why This Product - Trusted captain o-ring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Certified Clean Seal:** Made from NSF 61 certified nitrile rubber ensuring safe, contaminant-free water every time. - β€’ **Proudly USA Assembled:** Quality you can trust, assembled in the USA with a warranty that backs your peace of mind. - β€’ **Triple Pack Reliability:** Three premium O-rings to keep your water filter leak-proof and maintenance hassle-free. - β€’ **Universal Compatibility:** Works flawlessly with Culligan, 3M, DuPont, Hydronix, Watts, iSpring, and moreβ€”your all-in-one filter solution. - β€’ **Precision Fit Guaranteed:** Designed with exact 5.5" inside and 5.88" outside diameters for seamless compatibility with top brands. ## Overview Captain O-Ring OR-250 is a 3-pack of high-quality replacement filter O-rings made from NSF 61 certified nitrile rubber, precisely sized at 5.5" inside diameter and 5.88" outside diameter. Compatible with a wide range of popular whole house and undersink water filtration systems including Culligan, 3M, DuPont, and more, these O-rings ensure a leak-proof, safe seal. Proudly assembled in the USA, they come with a warranty and are highly rated for durability and fit. ## Description desertcart.com: Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) : Tools & Home Improvement Review: Good quality - Received quickly and without damage. I bought these for my Pentair Big Blue water filter and they fit better than what was supplied. Will definitely order again when needed. If using for the same purpose, be sure to lubricate with food grade silicone grease to prevent stretching and allow for a better seal. Review: Worx great! - They fit my Culligan Whole House water filter to perfection. I use a little silicone grease to hold it in place.πŸ˜ƒ ## Features - Part Number: OR-250 (3 Pack) - Alternate Part Numbers: 3M #70-0203-5277-2, Aquasure AP-HF45-ORING, DuPont WFAO100, Express Water PRTORINGWH3, Hydronix HF45-ORING, American Granby HOR5, Watts WOR-FF, iSpring ORB1X2 - Compatible with: 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 B/T housings), Aquasure Fortitude Series, DuPont WFHD1300/WFHD13001, Express Water Whole House Filter Housings, Glacier Bay HDG4HS4, Hydronix HF45 Series, American Granby HFHPLD10BP, HFHPLD10BP20, and HFHPLD10CP, Watts WOR-R Residential Series, Watts WOR-C Commercial Series, and Watts WOR-FF Full-Flow Series, Nuvo GEN 2 Manor (not for the older GEN 1 Manor), and iSpring WGB21B, WGB12B, WDS150K, WDS80K. - Molded from NSF 61 certified buna-n rubber for safe and clean drinking water. O-Ring is approximately 5-1/2" Inside Diameter x 5-7/8" Outside Diameter. - Includes 3 replacement o-rings (also called seals or gaskets) to repair your leaking water filter housing. Manufactured and Warrantied by Captain O-Ring LLC. Proudly assembled in the USA! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074THDBQ2 | | Best Sellers Rank | #72,278 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #37 in Undersink Water Filtration Replacement Parts | | Brand | Captain O-Ring | | Brand Name | Captain O-Ring | | Color | black | | Customer Reviews | 4.7 out of 5 stars 287 Reviews | | EU Spare Part Availability Duration | 1 years | | Item Diameter | 5.5 inches | | Manufacturer | Captain O-Ring LLC | | Material | Nitrile Rubber | | Material Type | Nitrile Rubber | | Model | OR-250 | | Nominal Inside Diameter | 5.5 inches | | Nominal Outside Diameter | 5.88 inches | | Number of Pieces | 3 | | Part Number | OR-250 | | Set Name | 3-pack | | UPC | 611138349659 | | Unit Count | 3 Count | ## Product Details - **Brand:** Captain O-Ring - **Color:** black - **Item Diameter:** 5.5 Inches - **Material:** Buna-N Rubber - **Nominal Inside Diameter:** 5.5 Inches ## Images ![Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) - Image 1](https://m.media-amazon.com/images/I/71orezZBa7L.jpg) ![Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) - Image 2](https://m.media-amazon.com/images/I/81XB7wPOlJL.jpg) ![Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) - Image 3](https://m.media-amazon.com/images/I/81aPg6j0R+L.jpg) ![Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) - Image 4](https://m.media-amazon.com/images/I/71OlO9RMZPL.jpg) ![Captain O-Ring - OR-250 Filter O-Ring (3 Pack) (Replacement for Culligan WH-HD200-C, 3M 3WH-HD-S01, Dupont WFAO100, 3M AP801B/T, AP802B/T, Hydronix HF45, etc) - Image 5](https://m.media-amazon.com/images/I/716v1IxPn4L.jpg) ## Questions & Answers **Q: Does this fit the culligan wh-hd200** A: Hello. Yes, this is the o-ring for the Culligan WH-HD200-C. **Q: Does this ring fit with the rfc-bbsa filters?** A: Hello. The rfc-bbsa, is a filter cartridge that goes inside of a filter housing. Do you know he make/model of your filter housing (the plastic housing that screws into the filter head/cap)? If you know the make/model of the housing, we can determine the o-ring that is compatible with it. **Q: What is the correct ring for Pentek 150237, it is not listed in your user guide?** A: Hello. The 151122 o-ring is the o-ring used in the 150237. You can find it at the link here: https://www.amazon.com/dp/B019Y85PR6 **Q: should i use a little oil on these?** A: I needed them for my water filtration system, and no oil was needed. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by H***. on March 6, 2026* Received quickly and without damage. I bought these for my Pentair Big Blue water filter and they fit better than what was supplied. Will definitely order again when needed. If using for the same purpose, be sure to lubricate with food grade silicone grease to prevent stretching and allow for a better seal. ### ⭐⭐⭐⭐⭐ Worx great! *by P***E on April 5, 2026* They fit my Culligan Whole House water filter to perfection. I use a little silicone grease to hold it in place.πŸ˜ƒ ### ⭐⭐⭐⭐⭐ Good fit *by P***. on December 29, 2025* Perfect fit for my Culligan whole house water filter --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ro/products/56149396-captain-o-ring-or-250-filter-o-ring-3-pack](https://www.desertcart.ro/products/56149396-captain-o-ring-or-250-filter-o-ring-3-pack) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-08-03*