Cliplight Eliminates Moisture In Ac And Refrigeration Systems, Prevents Formation Of Acid And Waxing, Works On Residential, Commercial, Industrial And Automotive Systems, One Fluid Ounce Per Can, Usage: One-1 Fluid Oz Can Ac/Refrigeration System 230 Btuh/0.067 Kw Up To 5 Ton/17.6 Kw Or 0Ne Automobile, Two-1 Fluid Oz Cans Per System Over 5 Ton/17.6 Kw Up To 25 Ton/88 Kw Or Per 1 Commercial Vehicle, Compatible With All Oils And Refrigerants, Includes One-1 Oz Can Of Fluid, One Hose And Instructions, Dims: 1 Fluid Oz, In Mfg Box, Made In Canada. Ships By Fedex Hazardous Materials