Product description

Composite PTFE filtration material is able to reach HEPA and ULPA efficiency at low air resistance and is the first choice in high-end air filtration sector.
Filters with this material have clear advantages:
Boron silicon free, no volatile, no dust, no secondary pollution
Low energy consumption, saving more than 40% energy in average 
In compliance with UL900 standard
Excellent water repellency 
Washable, reusable