Heavy Duty Water Filter Housing O-Ring, 1-Inch relief valves The red LED light helps

The red LED light helps you preserve night vision

RM43 is a combination of two herbicides and surfactant

In areas of your lawn that receive 4 to 6 hours of sun daily

high strain corner & end insulator

bridging and rust build up in your brine tank

Heavy Duty Water Filter Housing O-Ring, 1-Inch relief valves The red LED light helpsThe Culligan(TM) OR 100 O Ring fits the following whole house water filter with a 1 inch inlet outlet: Culligan(TM) model HD 950A. The O ring is used to seal the housing canister to the housing cap to prevent leaks. Replace your o ring every third filter change or when there is damage to prevent leaks.