Generic 90-423-5228 2.25" ID 0.13" Cross Section Buna-N O-Ring Specification: Application - Category: DE Seperation Tank, Filter, Cartridge, Filter, DE, Filter, Sand, Pump, Pool, Pump, Spa, Valve, Multiport, Valve, Slide Application Manufacturer: American Products/Pentair, Hayward, Carvin, Praher, Purex/Pentair, Waterway Union Fitting Type: O-Ring Application Model: 2-1/2", ABS Side Mount 3", Clean & Clear,tbag, Earthworks EW36, Earthworks EW48, Earthworks EW60, Earthworks EW72, L, LC, LCM, LCU, LCUN2, LT, LTC, LTCU, LX, Maxim, Micro-Clear Vertical Grid, Micro-Clear Vertical Grid SS Tank, Predator, Pro Series Plus S311SX, Pro Series Plus S311XV, Pro Series Plus S360SX, Pro Series S210S, Pro Series S220S, Pro Series S244S, Pro Series S310S, Pro-Grid Vertical Grid Permaglass XL, S220, S240, SM 2000 Series, SMBW 2000 Series, SP0410X, SP0740 D.E. 2" Selecta-Flo Side Mount, Star-Clear C2000, Star-Clear C3000, Star-Clear C3000S SS Tank, Star-Clear C4000, Star-Clear C4000S SS Tank, Star-Clear C5000, TC-300, TC-450, TC-600, ULCU, ULTCU, Warrior Union Fitting Application: Pump 1-1/2" Application - Part: Auxillary Outlet Plug, Bulkhead Fitting, Manifold, Piston, Plug, Rotor Valve, Socket Connecter, Standpipe, Union Manufacturer Part Number: 39102800, 47-0228-68R, 71426, 805-0228, E-18S3, SX200Z4 AS568 Number: 228 O Reference Number: O-64 O-Ring Inside Diameter: 2-1/4" O-Ring Cross Section: 1/8" Manufacturer: Generic