Air Filter Media

QHS250-380

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Advantage:

1. It has the advantages of good stiffness, low resistance, large dust holding capacity, environmental protection, and good processability;

2.Customizable color, weight, and width, with great flexibility.

Application:

1.Multi-layer synthetic air filter media plays a critical role in safeguarding heavy-duty equipment and engines across diverse industries. In construction machinery internal air compressors, its layered structure efficiently traps fine dust, sand, and debris generated on job sites, preventing abrasive particles from damaging compressor components and maintaining optimal air pressure for tool operation. For automotive engines, the media’s multi-layer design balances high filtration efficiency with minimal airflow resistance, blocking road dust, pollen, and combustion byproducts to protect cylinders, valves, and fuel systems from wear—essential for maintaining engine performance and fuel economy across varying driving conditions.

2.In combustion engine filtration, the media’s composite layers (often combining pre-filtration, HEPA-grade, and activated carbon layers) tackle multi-level contamination: coarse particles are captured by the outer layers, while submicron pollutants and oily aerosols are trapped by inner dense fibers. This is vital for diesel engines in trucks and industrial equipment, where prolonged exposure to particulates can lead to reduced compression and increased emissions. As air filters, these media optimize airflow while meeting strict OEM standards, ensuring consistent air supply for efficient combustion and minimizing maintenance needs. Their durability and adaptability make them indispensable for protecting engines in harsh environments, from construction zones to high-mileage automotive use.

Model	Gram weight(g/㎡)	Thickness	Air Permeability (L/㎡-s)	Color
Soft Filter Air Media
QHS250	250±10%	4.5-5.0	≥1300	white
QHS250G	250±10%	4.5-5.0	≥1200	green silk
QHS280	280±10%	5.0-5.5	≥1350	white
QHS280G	280±10%	5.0-5.5	≥1100	green silk
QHS300	300±10%	5.0-5.5	≥1200	white
QHS300G	300±10%	5.5-6.0	≥1000	green silk
QHS320	320±10%	5.0-5.5	≥1000	white
QHS320G	320±10%	5.5-6.0	≥1000	green silk
QHS350	350±10%	5.5-6.0	≥1000	white
QHS350R	350±10%	5.5-6.0	≥1000	red
QHS360Y	360±10%	5.5-6.0	≥1000	yellow
QH380	380±10%	5.5-6.0	≥1000	white
QHS400	400±10%	5.0-5.5	≥1100	white

Hard Washable Air Filter Media

QHS250EM	250±10%	5.0-5.5	≥1000	white
QHS250GEM	250±10%	4.5-5.0	≥1000	white
QHS280EM	280±10%	4.5-5.0	≥1550	white
QHS280GEM	280±10%	5.0-5.5	≥1100	white
QHS300EM	300±10%	5.0-5.5	≥1550	white
QHS320EM	300±10%	5.0-5.5	≥1450	white
QHS320GEM	320±10%	5.0-5.5	≥1000	white
QHS350EM	320±10%	5.0-5.5	≥1500	white
QHS350GEM	350±10%	5.0-5.5	≥1000	green silk
QHS360EM	350±10%	5.0-5.5	≥950	white
QHS360GEM	360±10%	5.0-5.5	≥950	Green silk
QHS380EM	380±10%	5.0-5.5	≥950	white
QHS380GEM	400±10%	5.0-5.5	≥950	green silk

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