MONUMENT 3½in. X ½in. (1/2in.) CAST DRAIN PLUG - 206A
Used for blocking off drain pipes and for air testing. Diameter range 80-107mm. Maximum allowable back pressure 20psi (1.35bar). ½in. BSP outlet. Fitted with removable top caps and rubber rings. Aluminium plates and steel stem. Weight 0.3 kg.