Ganivsor 6-Pack O-Rings Compatible with Pentek 151122 Big Blue Water Filter, Culligan HD-950, American Plumber W10-PR, Ametek HD-10-R50 - High-Density Replacement Seals for Whole House Filtration

["UNIVERSAL COMPATIBILITY FOR BIG BLUE FILTERS: Precision-engineered for Pentek 151122 (151122, 151122C). Designed for 1\" and 1.5\" inlet/outlet Big Blue housings. Fits Culligan HD-950, American Plumber W10-PR, Ametek HD-10-R50, and Ace Hardware 4001756.","HIGH-DENSITY BUNA-N FOR LEAK-PROOF SEAL: High-grade Nitrile Rubber (Buna-N) for superior durability. Chemical-resistant against municipal water systems. Heavy-duty seal prevents basement flooding and water damage.","COST-EFFECTIVE 6-PACK MAINTENANCE KIT: Bulk value for proactive preventative maintenance. Replace every 2-3 filter changes to prevent degradation. Ready-to-go supply saves time and emergency plumbing costs.","BPA-FREE & FOOD-GRADE MATERIAL STANDARDS: Premium food-grade materials, BPA and Lead-free. Safe for drinking, cooking, and bathing water. Meets rigorous standards for potable water systems.","EFFORTLESS DIY INSTALLATION: Anti-kink design for a flat, even seat in the groove. Flexible construction allows easy seating without tools. Solves common \"stretch-to-fit\" issues found in budget seals."]