Rentokil Wasp Powder offers fast and effective control of wasp nests when the nest is not visible. This easy-to-use powder is simply puffed around entrance holes and contains Pyrethrum. It is ideal for controlling wasp nests in and around the home, killing wasps quickly. It is effective within 24 hours. For use, shake the powder well and wear protective clothing. Remove the cap and hold the bottle horizontally or pointing downwards, squeezing firmly into the nest entrance. If the nest entrance is underground, in a bank, wall, or similar position, puff the dust thoroughly and swiftly into where wasps are entering. Size: 300g.