V-type mini-pleat secondary filter

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Specialty
The glass fiber is water-resistant.
The polypropylene plastic frame can be disposed by incineration.
It has big filter area, low resistance and long working life
Its thickness is 295mm, which is suitable for the ventilation air condition systems that the space for installation is limited.
The HEPA filter with flanges and multi-pocket filter can be use in interchange.
The average efficiency is 60%,90%,95%,98% by colorimetric(ASHRAE52,1-1998). Filter efficiency grade: F6,F7,F8,F9(EN779)

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