Detailed Product Description

Features:

PQ-400-B-O1.	
1.It can be installed in a small space above the ceiling due to simple design 
and lightweight.
2.	The noise level is low due to good noise-reduced material plus compact thin structure.
3.	The fan can be removed out from the return air outlet so that it is 
easy for maintenance. The round outlet is suitable to be connected with 
flexible pipe so that it is easy for installation.
4.	Easy for duct connection. It is low power consumption and reliable in safety with 3 steps (strong, medium, weak) light-touch electronic switch control.

PQ-400-U-O
1.	Due to compact and thin design, it is 20mm less than louver damper.
2.	There are several ways for choice for a separate return air outlet 
and different dimensions to meet the requirement of decoration.
3.	The fan can be checked and repaired through the manhole located 
underneath the exhaust fan.
4.	The round outlet can be easily connected with the flexible duct.
Light-touch electronic control switch with three steps (strong, medium, weak).
The PQ aeries products have been developed by our company in order to 
meet the requirements of the people who like to enjoy a comfortable 
working and living environment in the modern society.The PQ air exchange 
equipment with airflow of 250-1000 m3/h can be used in office buildings, 
schools, hotels, hospitals, department stores as well as in the factories.

Inner packing:Specifications：250,400,600,800,1000
Outer packing:Specifications：250,400,600,800,1000

Quantity：1 pcs