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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