Silicone Flapper Valves to fit the Mountain High ALPS Face Masks and our MBU-20 conversions.
These Flapper Valves are used on the ambient air intake with our ALPS face masks. Each ALPS mask requires (1)
Our early style Blue mask is identified with the Gray color pass-thru. Use PN 09046-0002-00.
Our current style Blue mask is identified with the Black color pass-thru. Use PN 09046-0003-00.
The MBU-20 conversion requires (2) Flappers. Use PN 09046-0001-00
Flapper Valves for MH Face Mask
$4.00
