CO2 Ventilator Valve 5 Sets


Returns: No refund on this item.

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


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