Low efficiency filter applied to prefilter system, it is mainly used to against the dust that the diameter is over 5μm. The prefilter has three types such as plate, folding and bag. The frame could make by paper, aluminium and galvanized iron. Media is such as non-woven, Nolyon net, active carbon, metal net, ect.
The merits of the prefilter: cheap, light, common, compact.
Maily used as follows:
- Prefilter for central air conditioning & plenum system.
- Prefilter for large compressor
- Purify the recirculated air system
- Prefilter for high efficiency filter system
- Active carbon filter used to get rid of the smell, SO2, alkaline air, and improve the air quality of the air conditioning.
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