Air Curtain 42" Commercial Door Fan - 1350 CFM, 2 Speed, Wall Mount

【Powerful Airflow & Isolation】: Delivers a robust 1350 CFM airflow; creates an effective air barrier to separate indoor and outdoor environments; minimizes the exchange of air, dust, odors, and insects, improving indoor air quality 【Dual Speed Operation】: Features two adjustable speed settings; low speed for energy efficiency and quiet operation, ideal for mild weather; high speed for maximum isolation and performance during extreme temperatures; suitable for all-season usage 【Durable & Corrosion Resistant】: Constructed with a robust metal housing; offers exceptional corrosion and rust resistance; designed for long-lasting performance in various environments; equipped with a pure copper motor for reliable operation 【Versatile Installation & Control】: Includes two magnetic door switches; compatible with both sliding and swinging doors for easy integration; features a heavy-duty limit switch for enhanced safety and reliability; designed for wall-mounted installation 【Quiet Operation & Low Noise】: Operates at a low noise level ensuring a peaceful environment; suitable for residential and commercial settings where noise reduction is essential; dimensions are 42 inches wide, 110V voltage for easy connection