... time 4CCC,CE,ISOcertificate 1, JHF-400A greenhouse circulation fan for the three anti-tailored special motor, the motor ... angle can be adjusted, the installation more convenient, eliminating fan maintenance.6, before and after the double-sided mesh cover ... 1 year warranty limited warranty.2: Technical dataGreenhouse ventilating fan technical dataModel JHF-400Blade diameter(mm) 400Power supply Single- ...