Gilmour 97QGMR Foamaster Adjustable Multi Ratio Cleaning Gun The Gilmour 97QGFMR Foamaster Adjustable Multi Ratio Cleaning Gun is ideal for cleaning, degeasing or disinfecting. Unique foam cleaning gun Exceptional chemical resistance to acidic or caustic cleaners Accurately mixes and sprays foaming chemicals; quick set dial selects mixing ratio or ixing off setting; adjustable multi-ratio dial Foaming attachment provides fan spray; solid stream without attachment