Many air filters incorporate a felt layer because felt offers a balance of filtration, airflow, and durability. Felt (nonwoven fiber mat) provides:
Effective particle capture: Dense fiber web traps larger dust and debris while protecting finer filter media downstream.
Low pressure drop: Felt can be engineered with porosity that preserves airflow, helping engine breathing and fuel efficiency.
Durability and moisture resistance: Treated felts resist collapse, shedding, or moisture-related degradation in varied climates.
Pre-filtration role: As a pre-filter layer, felt extends the life of the main filter media (paper, synthetic, or nanofiber) by intercepting coarse contaminants.
Noise and vibration damping: Felt’s thickness can reduce intake noise and cushion against mechanical stress.
Manufacturers choose felt when they need robust pre-filtration, improved service life, or enhanced structural support—especially for heavy-duty, off-road, or high-dust applications.
Qinghe County Dongsen Auto Parts Co., Ltd. is located in Qinghe County, Xingtai City, Hebei Province. It was established in 2024. Although the company was established a short time ago, it has more than 10 years of production experience. We are a manufacturer specializing in the production of air filters, air conditioning filters and oil filters. The filters produced by our factory serve the domestic and foreign markets and have won unanimous praise from customers in Southeast Asia, Africa, South America and other regions.
