Description Quartz Sleeve “O”Ring’s Quartz “O” Rings are for use when replacing quartz sleeves to offer a water-tight seal. We recommend new washers every time you remove the quartz sleeve or unthread the retaining nuts on your UV This will ensure a watertight seal Quartz “O” Rings are supplied in a 2 Pack For use with any quartz of a DIA of 30mm “O” Ring Dimensions OD-38mm ID-29mm Thickness-4mm This rubber washer is also used for our 1” Bsp threaded hosetails
