Purchase Qty. Reference FOB Price
25-49 Sets US$158.00
50-99 Sets US$138.00
100+ Sets US$118.00
Product Description
Ventilation principle of push pull fan The main function of the push-pull fan is to cool and exhaust, so do you understand its ventilation principle? The pushpull fan exhausts the air outward, which makes the indoor air pressure drop and the indoor air become thinner, forming a negative ...