Plastic Plug Bush Manufacturer in India When the people want to stop the flow of water from new connection or close the connection for temporary or permanent, they use pp blug bush. Plug bush are use in various type of industries, household connection, farms, plumbing and fittings etc. Material Polypropylene (PP) Color Black Size 15mm to 50mm Application Agricultural Irrigation Pipe Fittings , Farm , Plumbing Connection End Male Thread