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Captain O-Ring OR-250 is a 3-pack of high-quality replacement filter O-rings made from NSF 61 certified Buna-N rubber, designed for a precise 5.5" inside diameter and 5.88" outside diameter. Compatible with a wide range of popular water filter housings including Culligan WH-HD200-C, 3M AP801B/T, DuPont, Hydronix, Watts, and iSpring models. Proudly assembled in the USA, these O-rings ensure a reliable, leak-free seal to maintain clean and safe drinking water.




| ASIN | B074THDBQ2 |
| Best Sellers Rank | #88,815 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #49 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 283 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| Item Diameter | 5.5 Inches |
| Manufacturer | Captain O-Ring LLC |
| Material | Buna-N Rubber |
| Material Type | Buna-N 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 | 3.0 Count |
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