Pre filter
Beverage paperboard frame
Specific blend of cotton and polyester (no charged)
Surpport grid: Galvanized

Pre filter large filtering area, lower resistance, high dirt holding

Type ^ pleated filter panels

frame...Wet -strength paper board frame, two piece frame construction

Instruction...Two mating section of the frame overlap one another to provide a double wall. This can against rack, warp, bend under operating and handlig conditions.

Grids...Galvanized surpport grid, the media surported with expanded metal to ensure strength

Efficiency...MERV 7 (ASHARE 52.2), G3(EN 7799)

Average arrestance: 85% (ASHARE 52.2)

Adensive: The plceats tips bonded to the diagonal surpport bars. The Adhesive application assure filter integrity.

Longevity. 3 months

Different filter media and size can be customized.