The drain tube carries water that is produced during the refrigerator�s defrost cycle to the drain pan. This part does NOT come with installation instructions. This original Samsung Refrigerator Drain Tube originally shipped with the following Samsung devices: RF263TEAEWW, RF263TEAEWW/AA, RF26HFENDSR, RF26HFENDSR/AA This is a true Samsung part! This item is NEW! Don't see your model number? Send us a message as we are happy to help!