VEVOR 47 Inch Air Curtain, 2 Speeds 891 CFM Commercial Indoor Air Curtain, Air Curtains for Doors with 2 Limited Switches, CE, 110V Unheated Tested to UL Standards

Yes, but the environment needs to be good. For example: in a kitchen full of oil fume or a workshop with dust, it will not work.

Yes, we do. Please check the following link: https://www.vevor.com/air-curtain-c_10375/48-super-power-industrial-air-curtain-2000cfm-2-speeds-w-2-limit-switch-1-2hp-p_010955586212.