Criterion 2F Imidacloprid Insecticide Bayer's own generic for their Merit 2F is identical to Merit at a fraction of the price and is one of the most effective broad-spectrum insecticides for use on turf, ornamentals and various crops in the market today.Active Ingredients: Imidicloprid 21.4%Insecticide Mode of Action: 4AInsecticide Class: NeonictionidsEPA Signal Word: CAUTION / PRECAUCIONContainer Size(s): 40 Oz., 1 Gal.