Hose connectors Material: These connectors are made of high quality 304 stainless steel, rust proof and long service life. Adapter Coupler Thread Specification: 1/4" , 3/8" , 1-1/4" , 1-1/2" , 1/2" , 3/4" , 1" Easy installation: allows fast and comfortable connection with no tool required, quick joint to make tap and hose connecting easily Application field: Fast twist joint working principle is to PU tube inserted into the quick twist, use nut locking PU tube, cut into the tube and sealing. hose connector Package: 1pcs×BSP Female Thread 304 Stainless Steel Pipe Fitting Water Tank Connector, Manufacturer: ACVACV