What are the types of primary air filters

The primary air filter is also called pre air filter, which is divided into G1, G2 and G3 according to European standards. The filtration efficiency is 40%, 70% and 85% respectively.

Now let's talk about the primary air filter and the materials for making the primary filter.

The primary air filter mainly includes nylon mesh filter, metal mesh filter, plate and frame primary air filter, discount primary air filter, bag primary air filter, etc.

The frames for making the primary effect filter include paper frame, plastic frame, galvanized frame, aluminum frame, stainless steel frame, etc.

Nylon mesh primary effect filter is made of several layers of nylon mesh. The filter material is nylon mesh. The filter grades are G1 and G2. It is mainly suitable for air filtration at the air outlet of air conditioner.

The filter material of metal mesh primary air filter is multi-layer metal mesh, and the filter grade is G1 and G2. It is mainly used for primary filtration in occasions with high temperature resistance and corrosion resistance.

Plate and frame type primary filter can be divided into primary filter cotton tile filter, activated carbon filter cotton tile filter, glass fiber paint mist felt tile filter, paint filter paper tile filter, etc. The filter material of the initial effect filter cotton tile filter is the initial effect filter cotton, and the filter grades are G1, G2, G3 and G4, which is mainly used for the initial effect filtration of the ventilation system; The filter material of activated carbon filter cotton tile filter is activated carbon filter cotton, which is mainly used for air purification or waste gas treatment at air inlet or outlet; The filter material of glass fiber paint mist felt flat filter is glass fiber paint mist felt, and the filter grades are G2, G3 and G4. It is mainly used to absorb the spray paint mist in the spray paint workshop; The filter material of the paint filter paper tile filter is paint filter paper, which is mainly used to filter the spray mist in the spray booth.

The filter material of the discounted primary air filter is primary filter cotton or primary filter paper. The filter grades are G2, G3 and G4. It is mainly used for air filtration in various ventilation occasions.

The filter material of bag type primary effect filter is primary effect filter cotton or composite non-woven fabric, and the filter grade is G2, G3 and G4. It is mainly used for air filtration of fresh air system.