Primary effect plate type aluminum frame picture frame

The material is: aluminum frame + picture frame + primary effect chemical fiber filter + aluminum corner code + rivet

Resistance: less than or equal to 70 Pa (air volume is 3400 cubic meters/hour) (converted to wind speed is about 2.7 meters/second) efficiency is G3, G4 and F5

Used in industrial and commercial heating, ventilation and air conditioning systems, such as:

A. Office building, meeting room, hospital, shopping mall, gymnasium, airport and other large civil buildings ventilation and air conditioning systems;

B. Centralized ventilation and air conditioning system for ordinary industrial plants;

C. Pre-filtration of the centralized ventilation and air-conditioning system of the clean room, etc.