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O-Rings

O-Rings come in three basic sizes, Slim line, Regular and Heavy Duty (BB).  The Pentek basic O-rings fit most filter canisters.  Omni Filter is an exception and has their own line of O-Rings that are used in their canisters.  Proprietary canisters usually require special O-rings and can only be purchased through the manufacturer.  In some cases proprietary systems use standard canisters and Pentek O-Rings will work.  Call us if you have questions, 888-949-8883.


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