Vertox 25 Oktablok II – 300g tub – 20g bait blocks (total = 15 blocks) Brodifacoum 0.0025% w/w Ideal for the control of rats and mice in and around buildings. Offers a single feed kill for situations where other products have not achieved control. A highly palatable all-weather block bait. Contains brodifacoum and kills in a single feed. Each 20g block has a central hole in order to fix inside a bait station, keeping the bait away from children and non-target animals. Small mouse infestation: 1 tub. Large mouse infestation: 1 tub. Small rat infestation: 1 tub. Large rat infestation: 1-2 tubs.