Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Unit dimensions: W 13.8" x L 12" x D 12" x H 23" * The Model 303 is small and lightweight, easy to move or transport and aesthetically appealing * An electrically shifted solenoid valve results in increased shift efficiency and valve life * The Thomas pressure/vacuum compressor is lightweight and durable * Power consumption is only 225 watts resulting in lower electricity bills for the patient * A fixed, recessed humidifier port is very convenient and helps prevent humidifier bottle and connection breakage * The pressure compensated flow meter permits use of a long cannula while maintaining an accurate flow setting * The unit has a three year warranty including a 10 yr warranty on the valve * Smart Track module and Modem capability on OSD model helps manage preventative maintenance program and increases fleet visibility. Built to meet the requirements of HCPCS code: E1390 Product Weight: 37 lbs. * Shipping Dimensions : 17"w/16"h/27"d * Shipping Weight: 46 lbs. * Delivery Rate ? - 3 liters (1/4 liter increments) * Oxygen % 93% at ? - 3 liters (+/- 3%) * Operating System Pressure sensing/pressure-vacuum * Sound Level 49dBA average * Pressure 8.5 PSIG * Electrical Requirements 115V, 60Hz Power Consumption 225 watts average * Approvals CAN/CSA - C22.2 No. 601.1-M90; Class II Equipment Double Insulated Type B Applied Part * Operating Environment 5 deg. C to 40 deg. C; humidity range of 15% to 95%; non-condensing * DeVilbiss? Oxygen Concentrators are guaranteed against defects in materials and workmanship for periods up to three years * Please note that the 3-liter unit costs more than the 5-liter unit(#515DS) due to better sales on the 5-liter unit