Aqua Pure APSUC 12 SET O-ring gaskets for filter housing

They are necessary for the proper sealing of the filter housings. The set includes two flanges with different dimensions, the smaller one you place on the base of the cartridge case and the larger one on the cartridge case. The gaskets from the factory have lubricant on them, for their maintenance and easy installation, in case they are dry add a little vaseline, their installation is done by hand and not with a tool. Dimensions (Diameter-Thickness): a) 90 X 3mm b) 85 X 3mm