DIAVLON BLOCK - Bromadiolone 0.0025% + Difenacoum 0.0025% 10 kg/3kg bucket (25g block) AREAS OF USE Diavlon block is for specialized professional use and can be used in bait containers or in covered and protected bait points or directly in burrows, indoors and around buildings, in open areas, and in waste disposal sites in civil, domestic, industrial, and livestock contexts.