Virus-Bacterial Filter: Efficiency >99.9% For Particles >0.3 Μm, Electrostatic With Heat-Moisture Exchanger, 15M/15F Connectors, Humidification ≥26 Mg/L H₂O, Pp Material, No Co₂ Port, Resistance 0.7 Cm H₂O, Breathing Volume 60 Ml, Dead Space 19 Ml, Viruso - Bacterial Respiratory Filter … More