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

Pre Filter Media
Pre Filter Media
Pre Filter Media
Pre Filter Media
Pre Filter Media
Pre Filter Media
Pre Filter Media

Pre Filter Media

Model NO.
US $ 0.90-1.00 / square meters
Minimum order quantity
1000 square meters
Supply Ability
60000 square meters / Week
Country of Origin
Stock Time
15 Days
The filter is ≥5μm particles and foreign matters, with large dust capacity, small resistance, economical and practical, and simple structure.

 Product Usage 
It is suitable for working environment and air ventilation equipment with strict fire protection requirements, and is widely used in the filtration of ventilation and air conditioning systems of subways, high-speed trains, high-speed railways, etc.;


· with high dust capacity and low resistance;
· silicone-free and resistant to chemicals such as chemical solvents and acid smog;
· long service life, multiple-use after vacuuming or cleaning, economical and practical;
· PET organic synthetic fiber with high performance, high strength, and fracture resistance is adopted to make it by step encryption and incremental structure, combing and laying the hot air;
· paper frame and metal frame are mostly used to make plank filter and pleat filter and can be used as pocket filter



ModelConfiguration Size

Initial resistance(Pa)

Rated air velocity(m/s)Rated Air Flow (m³/h)

Note: other specifications can be customized according to requirements

 Technical datasheet: 

Filtration classG4(EN779)、G4(EUROVENT)
Moisture resistance (relative humidity)≤99%RH
Final resistance250Pa(suggestion)
Average weighing efficiency95%(ASHRAE52.1-1992)
Flame-retardant gradeF1(DIN 53438)、B1(GB/T 17591-2006)
Temp. short peaks120℃
Filter objectCoarse dust and foreign matter ≥5cm
Dust holding capacity500g/m² 、600g/m²

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