Crystal Quest CQE-PT-03180 O-Rings for 20x2.5 Whole House Filter Housings

O-Rings for Under Sink blue and Whole House 20x2.5 inch water filter housings. A set of 3 orings. ACTUAL Diameter: 4 inches (102 mm) Material: Buna-N Rubber. Typical Housing dimentions vary and may be 12x5 inches (with standard 10x2.5 cartridges), 22x5 (with standard 20x2.5 cartridges), or other dimentions. Measure cartridge size or actual o-ring diameter for better matching. The most common orings used in water filtration are made from Buna N material. Buna N is also commonly referred to as nitrile. This is the ideal choice for cold water filtration because they are inexpensive and have superior performance characteristics.

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