The gas scavenging system has been offering a problem free solution from the last 13 years in the market. The valves provides balance in 3 locations, eliminating periodic adjustments. The system permits future addition of machine locations without any effect. The device possess recommendations of well-known veterinary architectural firms to its credit with a capacity of handling up to 18 anesthesia machines with a 200’ of plumbing above the ceiling. The basic components includes power unit, 6’ of flexible heavy duty hose, a vent hood & pipe, “Y” tee fitting, 90° elbow, interface & carrier air inlet valve. The Scavenging system offers prevention against unloading of breathing circuit. The system is equipped with a strategically positioned Air-Inlet Valve which regulates the vacuum pressure generated by the power unit. The device does not offer resistance to pop-off valve as the designed tube diameters prevents pop-off exhaust pressure during surgery.