CO2 Ventilator Valve 5 Sets

Breathe cooler with a carbon dioxide release respirator valve. Replacement for masks that include PM2.5 activated carbon filter or add to masks for better ventilation. Cut round hole through one layer of fabric of 3-ply mask. Snap together 3 valve pieces through hole the size of a quarter through one layer of mask. Not approved for medical use.

Ships Within 48 hours From USA

• Five 3-piece sets
• CO₂ ventilator valve
• Round 3-piece ABS