Aluminum alloy frame
It adopts aluminum alloy frame,smooth appearance, light mate-rial and good firmness
Interpolated corners
nterpolated plastic corners are used around the frame to in-crease the firmness of the whole
Wilted filter discounted cotton
The interior adopts diamond-shaped aluminum mesh discount filter cotton,as the primary filtration, the resistance is small, and the air volume is large.
Reinforced reinforcement
Stiffeners are set according to the size of the body, which not only ensures the firmness of the whole but also prolongs the service life
Glue bonding
The inner groove around the four sides is bonded with a special adhesive,which is firm and not easy to fall off.
Sturdy outer frame
The outer frame adopts aluminum alloy outer frame and is bonded with the filter material around the perimeter and the structure is stable
Filter fibers
The filter media contains fine fibers, high dust spreading power, high dust load and high air permeability
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