O-rings and flow restrictors are regularly replace your residential household osmosis.

These parts are specific to the filter housing model and brand of your drinking water filtration system.

Each replacement part is its filter housing because of its special diameter.

The restrictor is installed on the pipe water discharges to allow to preserve the life of the membrane 75 GPD while optimizing the flow and quality osmosis water.
Our rubber seals are only suitable for our 9-inch 3/4 filter housing to 20 inches and reverse osmosis AQUAPRO.