Clear-Therm 3 HMEF with luer port, Supersetâ„¢ catheter mount and elbow Type of filter Electrostatic Filtration efficiency >99.99% Moisture loss 7.8 mg H2O/l (Filter only) Calculated Moisture return 30.8 mg H2O/l (Filter only) Resistance at 30L/min 1.2 cm H2O Resistance at 60L/min 3.5 cm H2O Compressible volume 60 ml (Filter only) Weight 50 g Connectors 22F/15M-22M/15F Minimum tidal volume >200ml Box of 40