DELTA 50-196 5-Inch Quick Connect Elbow connectors create an easier more efficient way to connect the hose in hard-to-reach places Screw-on hose connectors allow you to connect the hose quick and easy T-connectors allow you to fit more than one machine or hose to the dust collector Clamps inside of 4-inch diameter hose and slides on 5-inch outlet Provides a quick disconnect fitting