Polypipe Soil 4" Strap On Boss Pipe - White

The Polypipe SG40W is a 110mm strap boss designed for secure back-fix connections in soil and vent systems. Made from durable PVCu, it features a nut and bolt fastening system and requires a compatible boss adaptor for connecting additional waste pipes. Certified to BS EN 1329-1 and BS 4514, this fitting ensures reliable, leak-free performance in domestic plumbing applications, making it ideal for both new installations and maintenance work.