the features of ABY broad filters: low cost, lightweight, good versatility, compact
structure.
The products adopt the hard-paper frame and the filter material is made from compounded fiber filter material. A t the same time,  there is a metal net behind the the folded fliter material being used for supporting.

dimension: the depth of the filters are 46mm and 96mm, with corresponding nominal depth of "2" and "4" Preferable height and width are 595mm and the corresponding nominal diemnsion is "24"

typical use of ABY broad filter:
1, pre-filtering of air-condition and ventilation systems; 2, pre-filtering of large air
compressors; 3, Returning-wind filtering of clean room; 4, pre-filtering of partial
hing-efficiency filtering devices whose some special parts need to be filterred with high
efficiency.

The filtering efficiency of ABY is G3 and the filters with this efficiency is not only
usually used in the one-stage filtering for air-condition and ventilation systems but also
used in air-condition and ventilation systems that only needs the one-stage filtering.