Pycare's automatic dispenser activates a metered mist of natural pyrethrum insecticide at regular intervals which remain suspended in the air for the effective control of flying and crawling insects on contact. The food safe metered refill provides approximately 3000 sprays and depending on the dispenser setting will last for 30-90 days. It's suitable for most applications including restaurants, toilets, dog kennels, hospitals, sporting clubs, factories, stables and much more.