Transparent Universal Ventilator Nasal-oral Mask

Product information:
Product Name: Full-Face Mask
Pressure Range: 4–30 cmH2O
Tubing Diameter: 0.22 in
Pressure Drop (50 L/min): <1 cmH2O
Pressure Drop (100 L/min): <2 cmH2O
Noise Level: <30 dB(A)
Size Options: L/M/S
Material: Plastic