For hose extension
The 3-piece Threaded Hose Coupling consists of two hose sockets and a sleeve nut, and is therefore a flat washer seal. It serves problem-free hose extension.
With 33.3 mm (G 1") thread, suitable for 19 mm (3/4") hoses.
With 33.3 mm (G 1") thread, suitable for 19 mm (3/4") hoses.