Snap Envirocare Neutral Disinfectant #3. Recommended for use in hospitals, nursing homes, schools, colleges, commercial and industrial institutions, and veterinary clinics. The Snap! Chemical Cartridge contains super concentrated cleaning product. The chemical cartridges are sealed and will not spill, even if they tip over, preventing accidental skin contact. Dilution Ratio: 1:256 or 1/2 oz per gallon, makes 128 gallons or 512 quart bottles. One half gallon containers. Pack 4.