Ventilation Clean Room Hospital Food Factory Electronics Industry F5 F6 F7 F8 F9 G3 G4 Medium Primary Efficiency Industrial HVAC Pocket Bag Air Filter Supplier

• Customization: Available
• Clapboard: without Clapboard
• Filter Number: 1
• Model NO.: Primary/Medium Efficiency Bag Filter
• Medium Material: Synthetic Fiber
• Efficiency: F5 - F9
• Filtration Grade: Primary/Medium Filter
• Type: Bag Filter
• Initial Pressure Drop: 50-150 PA
• Final Pressure Drop (Replace at): 250-300 PA
• Dust Holding Capacity: 200-500 G/M²
• Operating Temperature: -20°C ~ +70°C
• Operating Humidity: ≤80% Rh
• Transport Package: Carton
• Specification: Standard or customized size
• Trademark: GEZI
• Origin: China
• HS Code: 84213990
• Production Capacity: 500000 Pieces/ Year
• Package Size: 60.00cm * 60.00cm * 10.00cm
• Package Gross Weight: 1.500kg

Product Description

Ventilation Clean Room Hospital Food Factory Electronics Industry F5 F6 F7 F8 F9 G3 G4 Medium Primary Efficiency Industrial HVAC Pocket Bag Air Filter Supplier

Primary Efficiency Bag Filter specifications Functional positioning: used to remove large particulate dust in the air (≥5µm) and protect medium and high-efficiency filters.
Filtration level	G3 (~85%@5µm), G4 (~90%@5µm)
Structural materials	polyester non-woven fabric, filter cotton
Frame	Aluminum profile / galvanized / stainless steel
Recommended working temperature	≤80°C, humidity ≤100%RH
Initial resistance	≤40-55 Pa
Suggested final resistance	~110-250 Pa
Number of bags/size	Common 6 bags, sizes such as 595×595×600 mm, and 3 bags; height 381-600 mm
Dust capacity	300-1000g

Medium Efficiency Bag Filter specifications Functional positioning: used to capture fine particles of 1-5 µm, improve air quality, often used as a high-efficiency filter for pre-filtering.
specifications	F5	F6	F7	F8	F9
Filtration efficiency	40-60%	60-80%	75-85%	85-90%	≥95%@1µm
Initial resistance	≤55 Pa	≤60 Pa	≤65-70 Pa	≤85-100 Pa	≤120 Pa
Final resistance	~250-350 Pa
Frame size	592×592mm, 592×287mm, etc.
Bag depth	280-600 mm, 3-10 bags
Filter material	Synthetic fiber or glass fiber
Material temperature	≤70-80°C
Dust-resisting ability	F7 ≥600g/m²
standard	EN 779 / ISO 16890 / GB/T14295

Application scenarios:
Ventilation and air conditioning in office buildings, shopping malls, etc.: initial effect + medium effect combination to improve air quality;

Hospital and clean room: medium-effect bag type (F8-F9) with efficient terminals to ensure cleanliness requirements;

Industrial factory: First use initial protection and medium-effect filter dust to improve system reliability.
FAQ - Bag Air Filter

1. What is a Bag Air Filter?

It is a pocket-type air filter for dust removal and air purification in industrial ventilation and HVAC systems.

1. What are the main benefits?

Large dust holding capacity, low pressure drop, high efficiency, easy installation and replacement.

      3. What efficiency grades are available?

G3, G4, F5, F6, F7, F8, F9 (EU standard).

       4. What materials are used?

Synthetic non-woven filter media, galvanized steel or aluminum frame.

1. What are the standard sizes?

Custom sizes are available; common sizes: 287×592mm, 490×592mm, 592×592mm, etc.

1. Where is it widely used?

HVAC systems, commercial buildings, hospitals, electronics factories, food and beverage industry, clean rooms.

1. What is the service life?

Depends on working conditions; typically 3-12 months before replacement.

1. Can it be used with other filters?

Yes, it is often used as a pre-filter or medium filter in multi-stage filtration systems.

1. Is it washable or reusable?

Most are disposable; some heavy-duty types can be cleaned limited times.

1. Do you accept OEM orders?

Yes, we provide OEM & ODM services for size, material and packaging.