(Packed 3/20oz Cans) Four packs equals (12) cans or 1 case. Weed Killer Contains 2,4-D, Bromacil Doom is an EPA registered solvent based weed killer. It is a combination of 2,4-D and Bromacil. This combination insures rapid top kill and will prevent future growth of all weeds up to 1 year. Sprays upside-down for convenient application. Doom Aerosol Weed Killer 452$25.65, 4/$57.60, 96/$1,382.40 Copyright © 2000-2008, Hygeia Chemical Co., Inc., Galveston, Texas. All Rights Reserved.