Vacuum System Cleaner Eco Vac 1/2 Gallon Bottle Continuous cleaning action Environmentally safe Contains no hazardous materials Non-corrosive liquid; safe to handle & store 1/2 gallon dispenser holds 128 applications Non-Toxic, non-pathogenic Cleans vacuum systems & eliminates odors associated w/ organic waste Eco Vac cleans vacuum systems and eliminates odors associated with organic waste by biologically degrading the waste into natural elements. Cleans and deodorizes without foaming or use of harsh chemicals. Eco Vac utilizes safe non-pathogenic, non-opportunistic, Class 1 bacteria. One half ounce of Eco Vac mixed with one quart of warm water, drawn through the vacuum lines daily in each operatory, establishes a continuous biological action.