20mm. Use with 20mm, black conduit. BS 4607 pt 1.
Top quality PVCu. BS EN 1329 12000.
Ring seal adjustable bend 0 90
Solvent socket to ring seal socket.
High quality, black PVCu. Kitemarked.
Solvent socket to spigot.
High quality, black PVCu. BS 4576. Compatible with Polypipe, Hepworth, Osma, Hunter, Marley, Brett amp Marshall Tufflex. Kitemarked.