Resmed AirFit F20 Full Face Mask

Weight 0.2 gm Warranty 2 Years Drop In Pressure Measured at 50 L/min,at 100 L/min Operating Temperature 41 Deg F to 104 Deg F Storage and Transport Temperature -4 Deg F to 140 Deg F Therapy Pressure 3 to 40 cm H2O Anti Asphyxia Valve AAV Less than or Equal to 3 cm H2O Operating Humidity 15% to 95% Non-Condensing Gross Dimensions 6.1″ (H) x 6.3″ (W) x 5.8″ (D)