Polypipe Poly Waste 90 Degree Knuckle Bend provides both acrylonitrile butadiene styrene and modified unplasticized polyvinyl chloride waste water management products with choices for solvent welding and push-fit jointing. To offer a genuinely adjustable solution for a variety of residential applications, all products are complemented by a large array of traps and overflow options. 9° White Knuckle Bend manufactured by Polypipe Building Products as as part of the Waste Systems range - Universal Compression Waste - Polypropylene. Features & Benefits: Comprehensive range of waste water management products includes both ABS and MUPVC with both solvent weld and push fit jointing options. All products are supported by a wide selection of traps and overflow solutions to provide a truly adaptable solution for a broad scope of residential applications. Compression waste fittings are used in conjuction with waste pipe to drain any liquid waste out of the household. Compression fittings are easy and quicker to fit due to the fittings not needing solvent glue to securely fit onto waste pipe.