Contrac All-Weather Blox is a single-feeding anticoagulant rodenticide containing the active ingredient, Bromadiolone 0.005%. Contrac Blox is specially formulated with an optimal blend of food-grade ingredients and a small amount of paraffin.
Contrac Blox is an excellent clean-out and maintenance bait to control commensal and non-commensal rodent species including warfarin-resistant Norway rats, meadow voles and Deer Mice.
This is the most popular rodenticide in the industry.
*Individual 4 lb pails can no longer be sold individually.*