For the control of insect pests in certain situations and control of rabbits in burrows as specified in the Directions for Use Table. Refer to the Apparent Fate Fumigation Tablets Instruction Booklet (PDF) for directions for use, proper application periods, dosage and situational applications. Product Type: Insecticide Mode of Action: Group 24A Insecticide Active Ingredient: 330 g/kg Phosphine Formulation: Water soluble tablets