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💧 Seal in purity, seal out worries!
The Express Water Whole House O-Ring Replacement Kit features three 5.5-inch diameter, BPA-free nitrile rubber O-rings designed for standard 20-inch filter housings. Engineered for durability and thermal resistance (33°F to 140°F), these reusable O-rings provide a leak-free seal that maintains water purity without adding taste or odor. The kit includes a lubricant tube for easy installation, making it the reliable choice for maintaining your whole house filtration system.

| ASIN | B09CCP1JJD |
| Best Sellers Rank | #146,758 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Faucet O-Rings |
| Brand Name | EXPRESS WATER |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (85) |
| Global Trade Identification Number | 00810052530475 |
| Item Diameter | 5.5 inches |
| Item Highlight | Pro Seal Nitrile Rubber Construction, Thermal Resistant Performance, BPA Free, Includes 3 O-Rings, Lubricant Tube Included |
| Manufacturer | Express Water |
| Material Type | Synthetic Rubber |
| Model | PRTORINGWH3 |
| Nominal Outside Diameter | 5.5 inches |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 3 |
| Part Number | PRTORINGWH3 |
| Set Name | Whole House O-Ring Replacement Kit |
| Temperature Range | 33 °F |
| UPC | 810052530475 |
| Unit Count | 1 Count |
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