Installation Instructions are NOT included with this part! Up for sale is a Drain Pump Filter that originally shipped with the following Samsung Washing Machines: WF45H6300AW, WF45H6300AW/A2, WF361BVBEWR, WF361BVBEWR/A1, WF361BVBEWR/A2 This part filters out lint and debris from the drain water. This is a NEW and True Samsung Part! 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!