The Formula 'P' Fumer is a cluster fly killing smoke bomb which releases an insecticidal (permethrin) smoke and is ideal for getting rid of cluster flies in lofts, roof spaces or other areas of the home. As there is no long-lasting effect once the smoke has dispersed, we recommend use alongside residual insecticides such as Pest Expert Formula 'C+' Cluster Fly Sprayand Formula 'P' Cluster Fly Powder. Left windows open after a while to ventilate over night and hey presto - the entire place was zapped of every (ex) living thing by the following morning. Designed for direct application to window frames, roof timbers and any other alighting surfaces, killing cluster flies on contact and for several weeks after application.

The gentleman on the end of the phone was very knowledgable and helpful in suggesting the product to use and how it worked. Be sure to get in contact and we can talk you through the best steps to combatting your fly problem. For best results fumigate in the late afternoon and leave the house or building for a minimum period of 2 hrs. They release a smoke which is ideal for getting rid of cluster flies in lofts, roof spaces or other areas of the home.

The combination of insecticides delivers a rapid knockdown of cluster flies and helps maintain long-lasting cluster fly control. This means they are able to get through small cracks in our window frames and panes, which is why fly power and other insecticides must be laid down on such surfaces. Should be used along with residual insecticides Formula 'C' and Formula 'P' Powder for to maintain long-term cluster fly control. This kit includes Formula ‘P’ Cluster Fly Foggers, Formula ‘C+’ Advanced Cluster Fly Spray and Formula ‘P’ Cluster Fly Powder giving you a potent combination of insecticides for fast knockdown and long-term protection, ensuring that your home or business remains free of cluster flies.

Please note that smokes and foggers are a good knock down but leave no residual effect so they must be used in conjunction with Pro-Active C for non-biting insects. Their strength in numbers makes them a unique pest, so you’ll need some unique pest control products to deal with them all. They don't need a flame to light, unlike some other forms of aerosol pesticides, and can be extremely effective at wiping out cluster fly population in your home. However good any form of fogger may be at killing cluster flies, it will need multiple treatments to kill off future waves of flies. They then work just like regular smoke bombs, releasing a cloud of smoke that contains a powerful insecticide.Pest Expert Formula 'P' Fumers are Cluster Fly Smoke Bombs which release an insecticidal smoke that disperses throughout the room or loft space, penetrating all corners, cracks and crevices for a fast and effective knockdown of a cluster fly infestation. We offer such services and if you feel that you have cluster flies in your home, we can sort that out for you. Unlike other species of fly, they don't carry as many diseases and can't spread illnesses such as E-coli by biting.