This Procter Pest-Stop Pest Repeller for Large Rooms is our entry level ultrasonic pest repeller from our new slim-line range. It covers an area of an impressive 1000 square feet. The repeller works by emitting ultrasonic waves which cause auditory stress to rodents and crawling insect pests. Procter Bros. has been manufacturing rodent traps for more than 100 years, with world-renowned brand such as the ‘Little Nipper’. With this vast amount of knowledge and experience behind it, Procter Pest-Stop is now the UK’s leading manufacturer and supplier of high quality pest control products. Our range is very comprehensive and includes products which use the latest ultrasonic and electromagnetic technologies. As a measure of how good our products are, they are widely used by pest control professionals.