I.P.P.V. Button Valve
Product description
Intermittent Positive Pressure Ventilation Valve from Burtons.
For use with any breathing system with a 30mm scavenge valve. Just press the button to occlude flow, system instantly re-opens when released.
Product Features
https://www.instagram.com/p/CySgdO0tnpk/
See the demo video below for how to use it correctly.