The McAlpine CD800-O-B is a plumbing fitting that is designed to connect a 40mm (1.5") waste pipe to a 110mm (4") soil pipe. It is a solvent weld fitting that is made from high-quality PVC material and is used in both domestic and commercial plumbing installations. The CD800-O-B features an 'O' ring seal which provides a secure and watertight connection between the waste pipe and the soil pipe. The fitting is also designed with a unique locking system that ensures a tight and secure connection. Overall, the McAlpine CD800-O-B is a reliable and durable plumbing fitting that is easy to install and provides a high level of performance and functionality. Available in 6 cover plate lengths from 548mm to 1148mm Choice of 2 finishes - brushed or polished Highest quality grade 304 Stainless Steel cover plate Cover plate reversible to accommodate tiles up to 8mm Frame height adjustable to suit tiles up to 16mm