Gas source:

O₂,quick   inlet port

O₂ FLUSH:

20L /min- -75L /min

Flow meter:

O₂,   0L/min - -4L/min, adjustable easily

Airway   pressure gauge:

-20cmH₂O-100cmH₂0

Pop Off valve:

adjustable   easily, with one blue button to close or open this valve quickly

Inspiration   valve and expiration valve:

visible dome-   type, ISO standard port, diameter 22mm

Soda lime   chamber:

0.8 Liter,   easy to change soda lime within one minute

Bains connector:

open breath   system, like Bains circuit and Jackson circuit