MOBILE ASPIRATORS Gomco® stand-mounted units offer dependable, easy to regulate suction for hospital use. Stands include 3" non-marking casters, handy cord storage, chemical resistant stainless steel top, compact stand design, new float shut-off assembly, graduated one-gallon polycarbonate plastic collection bottle or 2100 ml disposable canister, bacteria filter to help prevent fluid and aerosol contamination, and a hospital grade plug. Suction systems are equipped with an easy-to-read gauge, calibrated in both inches Hg and mm Hg, and a suction regulating valve. These models also include illuminated on/off switches. MODELS 3040/4042 These units feature an insulated hidden motor and a durable stainless steel top. Model 3040 features a 1/8 horsepower diaphragm motor, and is UL listed and ULC certified. Model 4042 utilizes a 1/10 horsepower rotary compressor motor, and is UL listed.