Ø 110 mm x 2 m. For ground installation with 1 sleeve, application area UD. Ring stiffness SN8, approved for installation in municipal and private ground. Sealing ring in accordance with EN-681-1. Made of PVC-U. Certified by INSTA-CERT in accordance with EN-1401, marked with NORDIC POLYMARK. Approved for connection and installation with pipe sections 87-2652 to 87-2659.