Guangzhou Rt Air Filtech Co.,LtdAbout UsRoom 402, Yuanfeng Building, No.83 Taoyuan West Road, Tianhe District, GuangzhouGuangzhou RT Air Filtech Co., Ltd. is a production-oriented enterprise integrating R&D, production, sales, and service. It is committed to offering related ranges of air filters for industries such as electronics factories, semiconductors, liquid crystal display, bio-pharmaceutical, food, petrochemical industry, clean room, hospital, rail transit, spray booth, commercial and residential construction. With high-tech equipment, experienced technicians, and perfect testing equipment, from design, research and development, production, quality control to finished products, we can achieve the essence and quality and are high

Cardboard Pleated Pre Filter
Cardboard Pleated Pre Filter
Cardboard Pleated Pre Filter
Cardboard Pleated Pre Filter
Cardboard Pleated Pre Filter

Cardboard Pleated Pre Filter

Model NO.
US $ 5.00-30.00 / pieces
Minimum order quantity
10 pieces
Supply Ability
500 pieces / Week
Country of Origin
Stock Time
10 Days
The Cardboard Pleated Pre Filter mainly filters the dust particles ≥5 m.

 Product Usage 
Mainly used in commercial and industrial ventilation systems, air conditioning systems pre-filtration.


· Cardboard Pleat Pre Filter, whose filter material is made of non-woven cotton and synthetic fiber by special blending, has the advantages of high dust capacity, low initial pressure loss, and large air volume;

· the filter compound metal mesh is made into a folding type, which provides the maximum filtering area for the airflow, and the filtering area is 5 times that of the general plane filter;

· humidity resistance up to 99%;

· temperature resistance 80℃;




Thickness(mm)Initial resistance(Pa)

Initial resistance(Pa)

Rated Air Flow(m3/h)

Note: other specifications can be customized according to requirements

 Technical datasheet 

 Filtering level G2、G3、G4(EN779)、EU2、EU3、EU4(EUROVENT)
 Filter efficiency 75%、85%、95%(ASHRAE52.1-1992)
 Temperature resistance Polyester fiber ≤100°C, glass fiber ≤300°C.
 Filter object ≥ 5 μ m coarse dust and foreign body
 Moisture resistance (relative humidity) ≤99%RH

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