[refill for vaporizing unit] Manufacturer: DE-BUG-ER Inc., Flint, Michigan Active Ingredient: gamma isomer of benzene hexachloride [BHC] Container type: 3 ½ x 1 ½ diam. cardboard cylinder (unopened) Date of manufacture: 1950s Front panel Net weight 1 oz. Chemical refill for DE-FLY-ER Automatic vaporizer for flies, mosquitoes and gnats Contents Active ingredient 99% gamma isomer of benzene hexachloride (from lindane) 98% Inert ingredients 2% DE-BUG-ER Inc., Flint, Michigan Back panel DIRECTIONS Empty enclosed contents into De-Fly-er Vaporizing cup and leave entirely alone. Do not stir or disturb after emptying in the cup. Do not allow metal or any foreign material to come into contact with the chemical, as it will stop all chemical action and render the chemical useless. The Vaporizer is effective for 15,000 cu.ft. of space, or 11,000 cu. ft. of space if ventilated by exhaust fans or air conditioning, and should be mounted anywhere from 2 ½ to 3 feet from the ceiling of the room. Refill every 30 days. CAUTION Harmful if swallowed, may be absorbed through the skin. Wash thoroughly after handling. Use only as directed. Not for home use. Registration No. 3890 P.C.P. Act Guaranteed: Gamma isomer of BHC (from lindane) 98% Warning- use no other chemical in the De-Fly-Er unit. Made in U.S.A. Litho in U.S.A. Copyright 1950