Available in both 120 V and 220 V. Highest air flow rate of any convective air warming system (55 CFM) to effectively maintain blanket temperature. Fast warm-up: 38C in only 30 seconds. Boost setting warms the patient at 45C for 45 minutes before reverting to the high setting of 43C. Safety alarm and shutoff if temperature exceeds 45C. Includes HEPA filter to reduce airborne particulates (99.97% efficient at 0.3 microns). Digital hour meter on front for easy reference. Durable hose is thicker for enhanced insulation; hose is collapsible to store securely out of the way. Cord wrap keeps cord out of the way. Multiple mounting options (cart, bedrail, IV pole) or unit may be placed directly on the floor.