The Gomco 305 is a general use tabletop aspirator for hospitals, clinics, and physician’s offices. It generates up to -550 mm Hg of vacuum pressure and a greater than 30 lpm flow rate at open flow.Key Features Maintenance-free and oil-free diaphragm pump ensures maximum reliability - Easy to store, the 305 takes up less than one square foot of space - Enclosed pump design - Disposable hydrophobic bacteria filter helps prevent fluid and aerosol contamination.SpecificationsVacuum Range: -25 to -550 mm Hg Flow Rate: Greater than 30 lpm at open flow Sound Level: Less than 60 dBA Pump Type: Oil-less diaphragm Electrical Cord: 6' hospital grade Dimensions: 16.8" W x 7.5" D x 9.4" H (427 x 191 x 239 mm) Weight: 9.8 lbs. (4.4 kg) UL/ETL Listed: Yes Regulatory Approvals: FDA, HC