... over 10years service time 4CCC,CE,ISOcertificate 1, JHF-400A greenhouse circulation fan for the three anti-tailored special motor, the ... install. Its comprehensive performance index over the same type of greenhouse circulation fans at home and abroad. 3, with the ... .6, before and after the double-sided mesh cover design, safety, convenience, aesthetics, hangs randomly with, as moisture-proof packaging ...