Awoco 48" 230V Heated 2 Speeds Commercial Indoor Air Curtain, CE Certified with an Easy-Install Magnetic Door Switch BurnTouch Outlet pressure range: 4" -

Outlet pressure range: 4" - 8" Water Column

4-mesh means 4 holes in 1 inch

[NG and LP Applicable] - Gas pressure:  0

there are 3” casters that help the tree rack move easily across the kitchen floors

[Flange]- 3-½” diameter flange helps strengthen the feet and gives it more support

Awoco 48" 230V Heated 2 Speeds Commercial Indoor Air Curtain, CE Certified with an Easy-Install Magnetic Door Switch BurnTouch Outlet pressure range: 4" -[230V 60Hz 1 Phase, 8000W Heater, 2 Speeds] high speed at 824 CFM, 58dB, low speed at 647 CFM, 56dB. 220V 240V 60Hz 1 Phase, 8000W Max PTC Ceramic Heater, 200W Motor (Total 11HP, 37. 27A). 2 fan wheels at the left and right sides and 1 motor in the middle. [Remote Control & Magnetic Switch] The included Remote Control can perform on off, speed high low and heat non heat selection. The air curtain can also be controlled by the front Power button