A synthetic pocket filter is pocket-type, intermediate-level filters used in air purification and ventilation systems; it captures dust particles and suspended matter in the 1 to 5-micron (μm) range and protects downstream high-efficiency filters.

The V-type Compact Filter is a large air volume air purification device with densely pleated filter elements arranged in a V shape. It has three core characteristics: large air volume, low resistance and high dust holding capacity. It is mainly used to capture fine particles of about 0.3 microns to 0.5 microns.

The Mini-pleat Hepa Filter is a high-precision terminal air filtration unit that utilizes hot-melt adhesive threads to space the filter media; it is primarily designed to capture airborne dust particles and suspended matter measuring 0.1 to 0.3 microns or larger. Common filtration grades include H13 and H14.

A Hepa Filter with separators is a terminal device used for air purification. It uses fiberglass paper as the filter media and aluminum foil as corrugated separators. The frame is made of aluminum alloy and galvanized iron sheet bonded together. It is primarily used to capture particulate dust and suspended solids of 0.3 microns and smaller.

The G4 pocket filter features a bag-style structure and offers a gravimetric efficiency of over 90% for particles larger than 5 microns; it is commonly used for pre-filtration in ventilation and air conditioning systems.

The DPA pocket filter is a high-efficiency air filtration unit designed specifically to capture over-spray paint mist in dry-type spray booths; its core features a special synthetic fiber material and a 3D honeycomb-like, multi-layered structure.

Activated carbon cotton air filters combine physical dust removal with chemical adsorption. Utilizing synthetic fiber cotton as a substrate—onto which activated carbon powder or fibers are bonded via impregnation or adhesion processes—they are primarily used to remove odors, harmful gases (such as formaldehyde), and fine dust from the air.

The Metal mesh air filters are constructed from multiple layers of corrugated aluminum foil mesh or stainless steel wire mesh. Its key features include high airflow capacity, low resistance, and re-usability through washing. It is typically used to capture large dust particles, debris, and oil mist from the air.

The G4 primary filter is a coarse air filtration designed primarily to capture large dust particles and protect downstream precision filters and air conditioning systems; its key performance metric is a filtration efficiency of approximately 70%–90% for 5-micron particles. It is widely used for pre-filtration in centralized ventilation and central air conditioning systems.

A High-efficiency, high-temperature resistant filters(H.T.Hepa Filter) is specifically designed for high-temperature processes such as cleanroom ovens and pharmaceutical drying lines. Capable of maintaining filtration integrity and rated performance under extreme temperatures, they are typically constructed using ultra-fine glass fiber filter media, aluminum foil separators, and heat-resistant sealant, enabling stable, long-term operation in environments reaching 250°C.