Use：

The air conditioning filtration system is pre-filtered to extend the effective and efficient service life;

Suitable for general air filtration sites such as air intake and return air.

Characteristic：

The filter material is the primary filter cotton; high gas permeability, low pressure loss;

Filter plate type, cardboard or metal frame, easy to replace;

Meet the fire classification standard European DIN53438-F1 and the United States UL900-class2;

High humidity resistance, moisture resistance up to 80% relative humidity;

Temperature resistance up to 80 ° C.

Metal frame fiberboard type air pre-filter for ventilation.

Specifications and sizes can be customized according to customer requirements.