1Empower Business2Dedicated to Users3Craft Comfort Everywhere. Titan-2 is engineered with UL certified motor for thousands of hours of continuous operation. Creates powerful low-noise airflow barrier protecting from outdoor elements. commercial & residential door air curtain 36 inch. Creates effective separation between indoor & outdoor environments. Blocks heat, cold, dust, and insects with powerful airflow. Not an air conditioner but works efficiently w/ it. Sliding door fan for flies and bugs ac curtain. Luxury aluminum alloy cover combined with high precision ABS is fireproof and never rust. Above door fly fan elevates your indoor space air quality. fly fans for doors, air conditioner curtain, door blower to keep flies out. Includes magnetic switch for automatic door-triggered functionality. Conserves energy by operating only when door opens. Saves up to 80% energy loss compared to doors without wall-mounted air curtains. above door fan solution. Compatible w/ various door types including push, pull, roll-up, and sliding doors. suited to restaurants, shops, warehouses, and homes. indoor / outdoor air curtain fan (roof required). Wind curtain, air bar fan curtain.