Installation instructions are NOT included with this part! This drain hose carries used water from the washer to your house drain. This drain hose is specifically for the following LG washing machines: WM3988HWA, WM3370HWA, WM2277HS 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!