Installation instructions are NOT included with this part! This Vent Hose vents the air and foam out of the washer tub. When replacing this part, be sure to save both clamps from your old hose as such parts are not included with this offering. This is specifically for the following LG washing machines: WM2455HS, WM2077CW, WM2240CW This offering is for ONE Unit. If you don't see your model number -- Please send us a message so we can help you to select the correct item. We are happy to help!