Electric, compressed-air foam delivery system. One-gallon stainless steel tank, compressor, 7-foot hose all contained in leak-proof, light-weight carry case. Great for treating wall voids, sub slabs, drains and floor voids. For termites, carpenter ants, drain flies, roaches and bedbugs. Add insecticide, foaming agent and water. Turn it on and it adjusts automatically making great foam every time.