Hayward SPX0710XD gaskets for multi-port S200 and Pro series sand filter valves -- SPX0710XD gasket (single)

All plumbing or mechanical connections need to be sealed using a rigid or flexible waterproof barrier. Static and dynamic connections can be made watertight using fibre or rubber washers, O rings or lip seals, all of which need to chosen to match the type of liquid and pressure they are required to contain.