O-Ring Replacement for Watts Premier's Standard Revere Osmosis Systems. This pre-lubricated Filter Housing O-Ring is used to replace the O-Rings on the Standard Filter Housings.
Works with all Standard Filter Housings (4SV, 5SV, RO-5, Pure-Tek, 500015, 500017)
O-Rings 3.58 in Diameter
3.58 in Diameter