Awoco1200 CFM 36" Heavy Duty Door Switch Indoor Air Curtain

Awoco 42" Super Power 2 Speeds 1350CFM Commercial Indoor Air Curtain, UL Certified, 120V Unheated - Free Door Switch

Awoco 12VDC Easy-Install Magnetic Switch for Awoco Magnetic Switch Controlled Air Curtains (White Color)

Awoco Heavy Duty Commercial Plunger Door Micro Switch for Air Curtains, 250V 15A IP 65 Limit Switch Type NO and Type NC (TZ-6001-15A)