Green and White Pre-filter Media
Fresh Air Filter is a globally certified manufacturer specializing in filtration solutions since 2007 in South of China. Products certified with EC, UL, and HALAL. Company certified with ISO9001, ISO14001, and ISO45001. Supplier to Fortune 500 companies, serving clients in over 70 countries. If you are interested, you are welcome to request samples or ask us for a price.
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FRESH
Green- white Pre-filter Media

Features:
1. Crack-resistant, high elasticity, Low initial resistance;
2. Step by step encryption of filter fibers and stratified filtration;
3. Large dust holding capacity and stable performance, Long using life;
4. Available to supply in cut pad or rolls, or as inner material for panel filter;
5. It has a certain anti-corrosion effect on general solvents, weak acids and weak bases;
6. Economy and practicability, It can be reused after flapping, washing and backblowing if go through glue spraying treatment.
Application: Suitable for pre-filtration of various ventilation systems, air conditioning systems, dust removal equipment.
1. Dust removal in air conditioning and air ventilation system.
2. As protective dust removal filtering material for various electromechanical and machine rooms
3. Pre-filtration of high quality spray systems and air supply systems in baking units
4. As primary filter media for producing air filter
Technology Parameters | |||
Main Material: | Polyester fiber ( PET ) | Flame Retardancy Rating: | F1(DIN 53438)/B1(GB/T 17591-2006) |
Filtration Grade: | G2、G3、 G4 (EN779) | Dust Holding Capacity: | 300g/ ㎡ ,400g/ ㎡ ,500g/ ㎡ , 600g/ ㎡ |
Filtration Object: | Coarse dust, particles larger than 5μm | Temperature Resistance: | ≤100℃ |
Final Resistance: | 250Pa (Recommended) | Instantaneous Temperature Resistance: | ≤120℃ |
Average Weight Efficiency: | 95%(ASHRAE52.1-1992) | Humidity Resistance: | ≤100%RH |
Specifications | ||||||||||
Model | Normal Size L X W X T | GSM | Dust Holding Capacity | Rated Air Velocity | I.N.P | Rated Airflow | Filtration Class | |||
m | m | mm | g/ ㎡ | g/ ㎡ | (m/s) | (Pa) | (m³/h) | ISO 16890 | EN779:2012 | |
FRS-20 | 20 | 1/2 | 10±2 | 120 | 400 | 2.0 | ≤ 30 | 7200 | ISO coarse 30% | G2 |
FRS-30 | 20 | 1/2 | 15 ±2 | 150 | 500 | 1.5 | ≤ 30 | 5400 | ISO coarse 5 5% | G3 |
FRS-40 | 20 | 1/2 | 20 ±2 | 180 | 600 | 1 | ≤ 30 | 3600 | ISO coarse 75% | G4 |
Note: Other specifications can be customized according to needs | ||||||||||
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D4 Fenggong Area Nansha Village Danzao Town Nanhai District , Foshan City, Guangdong PR. China.
Green- white Pre-filter Media

Features:
1. Crack-resistant, high elasticity, Low initial resistance;
2. Step by step encryption of filter fibers and stratified filtration;
3. Large dust holding capacity and stable performance, Long using life;
4. Available to supply in cut pad or rolls, or as inner material for panel filter;
5. It has a certain anti-corrosion effect on general solvents, weak acids and weak bases;
6. Economy and practicability, It can be reused after flapping, washing and backblowing if go through glue spraying treatment.
Application: Suitable for pre-filtration of various ventilation systems, air conditioning systems, dust removal equipment.
1. Dust removal in air conditioning and air ventilation system.
2. As protective dust removal filtering material for various electromechanical and machine rooms
3. Pre-filtration of high quality spray systems and air supply systems in baking units
4. As primary filter media for producing air filter
Technology Parameters | |||
Main Material: | Polyester fiber ( PET ) | Flame Retardancy Rating: | F1(DIN 53438)/B1(GB/T 17591-2006) |
Filtration Grade: | G2、G3、 G4 (EN779) | Dust Holding Capacity: | 300g/ ㎡ ,400g/ ㎡ ,500g/ ㎡ , 600g/ ㎡ |
Filtration Object: | Coarse dust, particles larger than 5μm | Temperature Resistance: | ≤100℃ |
Final Resistance: | 250Pa (Recommended) | Instantaneous Temperature Resistance: | ≤120℃ |
Average Weight Efficiency: | 95%(ASHRAE52.1-1992) | Humidity Resistance: | ≤100%RH |
Specifications | ||||||||||
Model | Normal Size L X W X T | GSM | Dust Holding Capacity | Rated Air Velocity | I.N.P | Rated Airflow | Filtration Class | |||
m | m | mm | g/ ㎡ | g/ ㎡ | (m/s) | (Pa) | (m³/h) | ISO 16890 | EN779:2012 | |
FRS-20 | 20 | 1/2 | 10±2 | 120 | 400 | 2.0 | ≤ 30 | 7200 | ISO coarse 30% | G2 |
FRS-30 | 20 | 1/2 | 15 ±2 | 150 | 500 | 1.5 | ≤ 30 | 5400 | ISO coarse 5 5% | G3 |
FRS-40 | 20 | 1/2 | 20 ±2 | 180 | 600 | 1 | ≤ 30 | 3600 | ISO coarse 75% | G4 |
Note: Other specifications can be customized according to needs | ||||||||||
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