• High-efficiency filtration capacity: The filter is capable of capturing particulate dust and various suspended matter from 1-5μm, providing filtration efficiencies of up to 60% to 95% (calculated by colorimetric method). 

• Adaptable to high airflow requirements: Designed to handle large air flows while maintaining low initial and final resistance to ensure efficient system operation. 

• High Dust Holding Capacity and Cleanability: High dust holding capacity and reusable filter media that can be cleaned and reused, reducing long-term operating costs. 

• Versatile structure forms: Frameless and framed bag type structures are available to suit different installation and application requirements. 

• High-quality filter material: special non-woven fabric or extremely fine glass fiber is used as filter material to ensure high filtration efficiency and long service life. 

• Environmental adaptability: It can work stably at temperatures up to 80°C and 80% humidity, suitable for variable industrial environments. 

• Safety and certification: It meets the UL-2 fire rating standard of the United States, and has passed the TUV international environment and health certification as well as the test of the third-party authority VTT to ensure the safety and reliability of the product. 

• Wide range of applications: suitable for pharmaceutical, electronics, food, hospitals, cosmetics, semiconductors, precision machinery and other industries, as well as intermediate filtration for air conditioning and ventilation systems.

Main applications of combined activated carbon medium-effect filters

• Chemical, electronic, pharmaceutical, food, hospital and other industries: used to remove odors and harmful gases in the air, protect product quality and employee health. 

• Remove high concentration of acid, alkali and organic compound gases in the air: applicable to the central control room of chemical, petrochemical, iron and steel enterprises to protect precision instruments from corrosive gases. 

• Semiconductor and microelectronic manufacturing enterprises: to remove “molecular level pollutants”, improve product quality and protect the health of personnel. 

• Laboratory animal rooms: Reduce bad odors, improve the quality of laboratory animals, and protect the atmosphere at the same time. 

• Public and civil buildings: such as airports, museums, libraries, high-grade hotels, office buildings, etc., used for air purification of the ventilation system to improve indoor air quality. 

• Air purification system: as an integral part of air supply purification of fresh air system, secondary or tertiary purification of household commercial air purification machine, and primary or secondary filtration of exhaust gas emission.

Maintenance method of combined activated carbon medium-effect filter

• Regular inspection and replacement of activated carbon: The adsorption capacity of activated carbon will decrease over time, so its condition needs to be checked regularly. If obvious stains or odor are found on the surface or inside the activated carbon, new activated carbon should be replaced in time. 

• Cleaning the cartridge housing: Regular cleaning of the cartridge housing removes built-up impurities to ensure that the cartridge is fully functional. Use warm water and a neutral detergent to gently wipe down the housing, then rinse well with water. 

• Check the piping and connections: Regularly check the piping and connections of the activated carbon filter for leaks or loose connections. Make sure all connections are tight to avoid damaging the filter or causing water/air leaks. 

• Avoid water buildup in the filter: Avoid water buildup inside the filter when the activated carbon filter is not used or cleaned for an extended period of time. Standing water may lead to bacterial growth or reduced filtration effectiveness. 

• Pay attention to filter life: Each activated carbon filter has a certain life span, beyond which the adsorption capacity of the cartridge will be significantly reduced. According to the manufacturer's recommendations, timely replacement of the filter element can ensure the normal operation of the filter. 

• Keep the environment tidy: activated carbon filters should be placed in a clean and tidy environment. Avoid exposing the filter to high temperatures, direct sunlight or harmful gases, so as not to cause damage to the filtration effect and equipment life. 

• Backwashing: After the activated carbon adsorption filter has worked for a period of time, it should be backwashed to remove the accumulated impurities and maintain the filtration efficiency. 

• Positive washing: after backwashing, positive washing should be carried out to remove the residual impurities and restore the filter to its normal operating condition.

• Structure and material

  Combined activated carbon medium effect filter consists of several activated carbon filter units which are assembled into a whole, each unit contains a fixed frame filled with activated carbon, covered with black non-woven fabric on the outside, and supported by sprayed withered shaped guard mesh on both sides. The high carbon content of the activated carbon gives it a strong adsorption capacity, which can effectively remove harmful substances in the air, such as formaldehyde, benzene and ammonia. In addition, the filter adopts a “V” shaped structure placed inside the outer frame, and the frame is sealed with PU polyurethane adhesive to ensure the solidity and sealing of the structure.

• Filtration efficiency and grade

  The filtration efficiency of medium efficiency filters mainly focuses on the range of particles from 0.5 micron to 40 micron, including G3, G4, F5, F6, M6 and M8 filtration grades. For example, the G3 standard filtration grade can reach 99.5% filtration efficiency and is suitable for capturing particles larger than 3 microns, while the M6 and M8 standards can reach 99.999% and 99.9999% filtration efficiency or more, respectively, and are used for capturing particles smaller than 0.3 microns and 0.1 microns.