Awoco 36" Elegant 2 Speeds 900 CFM Indoor Air Curtain, UL Certified, 120V Unheated with an Easy-Install Magnetic Door Switch Equipment_Accessories It also has a lockable

It also has a lockable function where you can keep the cart in one place

[Dimensions and Weight] - Overall Size: 19-1/2"W x 19-1/2"L x 6”H

[Aluminum Track] - Strong

Weight: 37

[LEVER HANDLES] - Lever controlled

Awoco 36" Elegant 2 Speeds 900 CFM Indoor Air Curtain, UL Certified, 120V Unheated with an Easy-Install Magnetic Door Switch Equipment_Accessories It also has a lockableTHIS AIR CURTAIN IS NOT AN AIR CONDITIONER, IT WONT GENERATE COLD AND HOT AIR. Magnetic switch: this air curtain has an electrical magnetic circuit control with a magnetic switch. The magnetic door switch installation is much easier than the traditional mechanical micro switch. No hard wired needed on the 12VDC low voltage magnetic switch. Easy installation: 1) Mount the detachable mounting plate, then hang the air curtain up. 2) dedicated 2 wire for