This tool protects your image and will make it easier to clean your hoses than previous methods. The Hoser is invaluable to companies who deal with water damage. It will thoroughly clean your hoses after a category 2 or 3 flood so you don't have to worry about nasty smells or stains later on. The hoser will work on 1 1/2" and 2" vacuum hoses. Compare with current or past OEM associations: AH111 1623-2314 TMT-AH1000 Owners manual and parts list.