- Faster CO2 concentration Restoration Speed - Infrared sensor can keep CO2 concentration stability and uniformity when door open frequently - Polished stainless-steel chamber, semicircular arcs at corners for easy cleaning, and the space between the shelves in the chamber is adjustable - Microorganism filter at inlet provides 99.99% filtration of bacteria and dust (Φ<0.3μm) and supplies pure CO2 into the incubator