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O RINGS



O Rings are sized according to the filter canister size.  Canisters for the most part come in three sizes.  SlimLine, Regular and Big Blue (Heavy Duty).  These three sizes apply across the board to Pentek, American Plumber, Ametek, US Filter and WaterSafe.  OMNI FILTER has a variety of sizes that are generally identified by the name of the system that is installed.  Companies that sell proprietary systems have their own special O Rings which in some cases use one of the standard sizes but generally are only available from the manufacture.


Pentek #237 Slim Line O-ring Part # 151121
Pentek #237 Slim Line O-ring Part # 151121
Price: $4.99 
Pentek #241 Standard O-ring Part # 151120
Pentek #241 Standard O-ring Part # 151120
Price: $4.95 
Pentek Big Blue O-ring Part # 151122
Pentek Big Blue O-ring Part # 151122
Price: $6.95 
Omni Filter K4 O-Ring Set
Omni Filter K4 O-Ring Set
Price: $2.95 
Omni Filter OK7 O-Ring
Omni Filter OK7 O-Ring
Price: $6.95 
Omni Filter OK30
Omni Filter OK30
Price: $3.95 
Omni Filter OK40
Omni Filter OK40
Price: $3.95 
Omni Filter OK50
Omni Filter OK50
Price: $4.95