Air Filter Cardboard Frame Pre Filter
Air Filter Cardboard Frame Pre Filter can be widely used in pre-filter system for clean rooms, HEPA air filters, air compressors, central air-conditioning fresh air handling unit and ventilation systems, and computer rooms dedicated constant temperature and humidity air conditioning unit.
Product Introduction
Snyli Environmental Technology (Shandong) Co., Ltd. is one of the most reliable manufacturers and suppliers of air filter cardboard frame pre filter in China. With abundant experience, we warmly welcome you to wholesale advanced air filter cardboard frame pre filter from our factory. For price consultation, contact us.

Products Description
Air Filter Cardboard Frame Pre Filter galvanized steel, aluminium, stainless steel
Filter media:activated carbon particles or synthetic fiber, fiberglass
Grids:aluminium mesh, galvanized steel mesh
Thickness available: 22mm, 45mm, 95mm etc.
Efficiency:Trapping 40-60% of >=5.0 µm particles
EN 779 Class:G2-G4
Humidity: ≤99%RH
Products Advantage
Cardboard frame : High-strength waterproof cardboard, each intersection and the filter media are closely connected, which enhances the filter's robustness and helps to maintain the flatness of the pleated filter media and the balance of the pleat spacing.
Compact structure, commonly used in the first stage of filtration systems. suitable for air conditioning and ventilation systems requiring only one level of filtration.
The filtration material compounds with the cardboard frame, and is designed into the foldaway, which will provide the current air with the largest filtration area, 5 times’ filtration area as the common plane mesh. Paper frame are available, Air Filter Air Filter Cardboard Frame Pre Filter which is convenient for replace, less purchasing expense.
The filtration rate covers from MERV 5 to MERV 17.
Products Parameter
Model | Actual size W×H×D(mm) | Air flow(m³/h) | Initial P.D.(Pa | ||
G3 | G4 | F5 | |||
CG3B-17Z-PQ45A | 290×595×45 | 1700 | 55 | 63 | 75 |
CG3B-28Z-PQ45C | 493×595×45 | 2850 | 55 | 63 | 75 |
CG3B-34Z-PQ45D | 595×595×45 | 3400 | 55 | 63 | 75 |
CG3B-17Z-PQ95A | 290×595×95 | 1700 | 50 | 56 | 67 |
CG3B-17Z-PQ95A | 493×595×95 | 2850 | 50 | 56 | 67 |
CG3B-34Z-PQ95D | 595x595x95 | 3400 | 50 | 56 | 67 |
About Us
Since established in 2010, SNYLI always takes deeply contributing innovation and development of the air purification industry as its original intention and mission. With a decade of technology accumulation, SNYLI is growing up to a company with advanced manufacturing equipment, production technology, testing technology, and has obtained multiple technology research and development patents, including 3 invention patents.
We have many certifications :ISO 9001:2015,ISO 45001:2018,ISO 14001:2015,SGS Report,FFU CE certificate ,and our products are exported to Europe, America, the Middle East and Southeast Asia.
Products Photos

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