The Invacare Aspirator / Suction Machine is the durable suction unit designed for most home-care and nursing home suction requirements. The Invacare Aspirator / Suction Machine has an easy to read gauge and use adjustable knob and a adjustable vacuum range from 0-22in Hg. It also comes with the collection jar and connecting tubing and is very lightweight at only 10.4 lbs and comes with a 1 year warranty. This Suction Machine is ideal for all applications because of the range of suction pressures that available, 0-560 mm Hg.