The polypipe soil push fit rubber boss adaptor for 40mm waste pipe provides reliable connection solutions engineered for residential soil and vent systems. This black boss adaptor delivers secure integration of waste pipes into existing soil stacks. Manufactured from lightweight pvc-u and certified to bs4514 and en1329 standards, this component ensures compliant installation performance. The push fit design allows for quick, tool-free assembly while maintaining robust sealing integrity. Part of polypipe's comprehensive polysoil range, this adaptor supports effective waste flow and odour management from household or building applications into sewerage systems. Low maintenance construction provides long-term reliability. Features & benefits: push fit design for quick, tool-free installation without specialist equipment. Manufactured from lightweight pvc-u for ease of handling and installation. Certified to bs4514 and en1329 standards ensuring regulatory compliance. Aids effective flow of waste and foul odours from buildings into sewerage systems. Suitable for residential soil and vent applications requiring 40mm waste pipe connections. Black finish for discreet installation. Product code: sn40.