For connection to the suction/discharge side of all domestic waterworks /automatic domestic water systems with 1" male thread/female thread on permanently mounted pipes, Absorbs running noises and guarantees high safety by means of double deep injection on the connection fittings, Special steel jacket 1", interior latex core, Rust-free fittings, Consisting of:, Armoured hose, 1" male thread x 1" female thread, Gasket Ø 30 x 23 x 3 mm