The Pentek 151254 o-ring seals the 'Big Clear' housing sump to the cap to eliminate water leaks. The strength of this rubber gasket keeps the housing sealed shut, providing you with clean water without the hassles and headaches of potential puddles, dampness or mold. It is recommended that you replace your o-ring after every three filter changes, or sooner if it shows signs of damage.
- Square cut for the properly tight fit in #10 and #20 housings
- Creates a strong seal in your filter housing
- Helps to prevent leaks
- Best preserved with food grade silicone lubricant
- Genuine OEM Product