The Pest-Stop Systems Mini Smoke Insect Killer is a unique low spark, ready-to-use fumer that works by releasing smoke which kills insects it contacts. It targets cockroaches, bed bugs, fleas, cluster flies, wasps and ants. Perfect for single rooms, roof spaces and storage areas. Will treat up to: 120m³ against flying insects, 30m³ against fleas and bed bugs, and 7.5m³ against crawling insects. Used by professionals.