Mhouse Refillable Bait Station with 12 Bait BlocksThe Mhouse Refillable Bait Station is a domestic labeled rodenticide. Each bait station pack comes with 12 20g bait blocks. Each block contains 50 PPM Chlorophacinone, which was invented and patented by Liphatech. Bait station is resistant to tampering by children. For use only in indoor areas. Vitamin K1 is the Antidote. Place along walls, in corners, by gnawed openings, or concealed places between floors or walls, or in locations where house mice or