... Adaptor, connectors,tube connector,hose connector.connect 2 tubes.IP66,connect 2 tubes,any sizes couplings.Tubing Connector, Plastic ... connector, Butt joint, connectors,tube connector,hose connector.connect 2 tubes.Material: TPETemperature : -40°C~+100°CProtection levels : ... 5 26.5 26.5 48 50BK-21.2 1/2 1/2 29.5 29.5 48 50BK-28.5 ... 51.5 51.5 60 20BK-54.5 2 2 63 63 70 20 flexible coupling