The primary filter is suitable for the primary filtration of air conditioning system. It is mainly used for filtering dust particles above 5μm. The primary filter has three styles: plate type, folding type and bag type. The outer frame materials include paper frame, aluminum frame and galvanized iron frame. The filter materials include non-woven fabric, nylon mesh, activated carbon filter material, metal hole mesh, etc., and the protective net has double-sided spray wire mesh and double-sided galvanized wire mesh.
Part Name | Customized 14.4x14.4x1.8Inch MERV 6 Cardboard Frame Pleated AC Furnace Air Filter |
Part NO. | BS405 |
Sizes | 14.4x14.4x1.8Inch 365x365x45mm |
Colour | White (Customized) |
Structures | Cardboard Frame+ Cotton+Metal Mesh |
Filtering Efficiency Grade | Primary Filtration (Customized) |
Special Properties | Supercharged pleated panel filtering media ideally suited for capturing fine airborne allergens such. |
Packaging | (Customized) |
Used for clean room conditioning system;
Primary filtration in a filtration system;
Pre-filtration at the intake of Air purification equipment
Initial filter efficiency of paper frame: It can be divided into G1, G2, G3 and G4.
G1 stage 40% efficiency for 5um(micron) filter
G2 stage 65% efficiency for 5um(micron) filters
G3 stage pass 85% efficiency for 5um(micron) filters
G4 grade 90% efficiency for 5um(micron) filter
The paper frame primary filter is used in combination with the high efficiency filter to prevent the high efficiency filter from being replaced prematurely due to dust accumulation, thus extending the service life of the high efficiency filter.