AO-WH-LG-OR O-Ring,Replacement O-Rings Compatible with AO Smith Whole House Water Filter AO-WH-PRE AO-WH-PREL, Fits Most 4.5 Inch Filter Housings, 5.48 Inch Diameter(4 Pack)

["Fit For: AO-WH-LG-OR o-ring compatible with AO Smith whole house water filter housings AO-WH-PRE and AO-WH-PREL, Project Source PS-WHL-H housing, and most filter sumps designed for 4.5 inch wide filter cartridges","Replace Part Numbers: AO-WH-LG-OR, PS-WHL-ORG, 1074315, and 5225369. This large whole house water filter o-ring is designed as a replacement gasket for compatible filter housings","Important Fit Note: This o-ring is commonly used for large filter housings that take 4.5 inch wide filter cartridges. It is not intended for smaller standard housings that use 2.5 inch filter cartridges","Product Size: Approximate inside diameter is 5.48 inches / 14 cm, with 0.165 inch thickness. Please compare the size and part number with your original o-ring before ordering","Package Includes: 4 pack AO-WH-LG-OR replacement o-rings. Convenient for regular filter changes, backup use, and whole house water filter maintenance. Helps replace worn, flattened, cracked, or aging o-rings to support a secure housing seal"]