O-Rings for Counter Top or Under Sink 10x2.5 inch water filter housings, set of 3. ACTUAL Diameter: 3.5" (90 mm). Available in clear or black, for different systems, please choose identical to the one you already have in your system.
2.5 x 10 Black O-Ring: CQE-PT-03082
2.5 x 10 Clear O-Ring: CQE-PT-03082-C, CQE-PT-03184
The most common o rings ( also called oring , rubber gasket , o-rings, rubber seals ) 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.
Typical Counter top or under sink housing outside dimentions for this o-ring can be around 12"x5". Measure actual o-ring diameter for better match.
ACTUAL O-ring Diameter: 3.5 inches (90 mm x 3 mm)