DETON FAD40-4 Industrial Ventilating Exhaust Fan, 16" (1700CFM) (145W) T-STAK :contentReference[oaicite:2]{index=2}

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making it ideal for stairways

Impact-resistant copolymer body ensures long-lasting durability

LED job light for easy operation in the dark

700 Continuous use (min) w/ BL1830B: 60 Max output 250 W Dimensions (L x W x H) w/o Battery: 976 x 209 x 188 mm (38-1/2 x 8-1/4 x 7-3/8″) w/ BL1815N / BL1820B: 1

DETON FAD40-4 Industrial Ventilating Exhaust Fan, 16" (1700CFM) (145W) T-STAK :contentReference[oaicite:2]{index=2}HIGHLIGHTS: The DETON FAD40 4 Industrial Ventilating Exhaust Fan is a heavy duty air extraction solution designed for industrial, commercial, and utility environments requiring strong and continuous ventilation. With its 16 inch blade design and robust motor system, it efficiently removes heat, smoke, and stale air to maintain a safer and more comfortable working environment. Operating at 145W power consumption, this exhaust fan delivers high air