Item description Buy 4s121w White Osma Gasket 4 Inch To 41/4 Inch Wc - £13.40 UK and Worldwide delivery. Osma Part number 4S121. Service you would expect from a trusted UK company.
OsmaS Rubber WC Gasket 4-4.25" WT 110OsmaSoil, a PVC-U Soil system for sanitary waste removal. A comprehensive system available in a variety of colours and sizes with either push-fit or solvent weld joints.