Specifications

1. cardboard Panel pre Filter 
2. Economical. 
3. disposed and easy to handle 
4. Low initial resistance 

Foldaway plank filter mesh with paper frame Non-woven fabrics 

The filtration material is made from non-woven fabrics, and the synthetic fibre. it has the advantage of the large dust holding capacity, the low pressure loss in the initial period and lager air flow

The filtration material compounds with the material net, and is designed into the foldaway, which will provide the current air with the largest filtration area, 5 times' filtration area as the common plane mesh. Paper frame and metal frame are available, which is convenient for replace; Less purchasing expense

The humidity resistance 100%

Temperature resistance 80°c

The rank of the filtration: G4.F5.F6.F7.F8

Using

Pre-filter for the air-condition filtration system. It can lengthen the working life of the middle and high efficiency filter