DJF Series Hanging exhaust fan ( cow house exhaust fan.) 1Blade is made of the stainless steel, molded, big air volume, no distortion, no broken. 2Fan house adopt new design, light weight, elegant appearance, easy to install. 3Round protection grill, heavy duty, protect fan blades, safety and steady. 4Adopt the handle as new inset design from our engineer, easy for carry, transport and installation. Also it has no affect on the appearance. Hanging type exhaust fan Model Specification Blade diameter mm Blade speed rpm Motor speed rpm Air flow M³/H Pressure Pa Noise Decibels Import Power W Rated voltageV High mm Width mm ThickmmDJF(d)-830 720 660 14002200060≤60550380830830420DJF(d)-900 750 630 14002800065≤65370380900900420DJF(d)-1000 900 610 14003000070≤7075038010001000420DJF(d)-1100 1000 600 14003250070≤7075038011001100420DJF(d)-1220 1100 460 14003800073≤7075038012001200420DJF(d)-1380 1250 439 14004400056≤70110038013001300420DJF(d)-1530 1400 325 14005580060≤70150038015301530420