Double-socket coupling is designed to connect PRO AQUA Stilte pipe sections that do not have a socket. The coupling provides a simple and reliable connection that is not inferior in reliability to the socket connection of PRO AQUA Stilte pipes. Couplings are fully compatible with PRO AQUA Comfort pipes manufactured in accordance with GOST 32414-2013 (ISO 7671, ЕN 1451-1).[s1]
