Features:
1, for the round before the wind to the multi-wing impeller, and electrical installation together after a good balance.
2, air volume, low-noise, high static pressure, variable speed.
3, quenched and tempered steel made from # 45 to deal with the spindle
Specifications: 250,300,350,400,420,450 of the six aircraft, 11 specifications.
Air volume :880-22000m3 / h, full-pressure :170-816 Pa
Purposes: to send cabinet ventilation, air purification equipment, central air-conditioning equipment at the end of the use of