This 4 inch stainless steel socket plug fitting is used to stop water flow from drains to the main waste line. It is made of AISI 316 stainless steel that has corrosion and fire resistant properties as well as hygienic and environmental advantages for drainage. This fitting is designed with an easy push-fit and includes an EPDM seal made of black ethylene propene rubber that is suitable for all rainwater and waste water drainage applications.
