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Quick Details

  • Condition: New
  • Efficiency: G4 G5
  • Construction: Panel Filter
  • Filtration Grade: Pre Filter
  • Medium Material: Synthetic Fiber
  • Porosity: 5 micron
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Mingchi
  • Model Number: P50-GP03-000
  • Dimension(L*W*H): 595mm*595mm*46mm
  • Weight: About 2kg
  • Certification: ISO9001:2001
  • Warranty: 1 year
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Rated volume: 3200m³/h
  • Frame: aluminum
  • Initial resistance: ≤50Pa
  • Airflow temperature: ≤50℃
  • Humidity: ≤80%
  • OEM: available
  • Dimension: customization
  • Thickness: 21mm, 46mm or 95mm
  • Application: purification prefilter system
  • Remark: Periodic replacement

Packaging & Delivery

Packaging Details Standard export carton or according to customer requirements
Delivery Time 7-15 days, depends on order quantity
Product Description

Air filter introduction:
1 Pre air filter apply for the first clean in air condition system, main work on more than 5um dust particle. 
2 The type of air filter is panel,folding,bags.
3 The frame of air filter main has paper,aluminum,galvanized.
4 The media material main has non-woven,nylon,activated carbon,metal.
5 The protective mesh main has double spraying plastics metal and double galvanized metal mesh.


Product Description

1. Application: coarse particle filtration 
2. Type: panel filter
3. Size: customized size and design is available

4. Efficiency: G2~G4

5. Final pressure drop: 200 pa (recommend)

6. DIN 53438 Flammability: F1

7. UL 900 Standard: class 2

8. Max. air flow rate:125% of nominal air flow rate

9. Max. operating temperature: 80°C

10. Max. relative humidity: 100%

11. Filter media: synthetic fiber, nylon mesh or metal mesh

12. Frame: moistureproof cardboard or aluminum

13. Protective net: aluminum mesh or galvanized steel mesh

14.  Color: white, yellow, blue, green

15. Feature: large air flow, low initial pressure drop, high dust holding capacity, economical and practical, easy 

installation, long operating life


Common Size and Parameter



1. A great variety of models.
2. Professional design, easy to install.
3. Affordable and comprehensive service.
4. Light-weight,universality,compact structure
5. Fine workmanship and exquisite in workmanship.
6. To win a high admiration and is widely trusted at home and abroad.


Main use place:
1.Part heap filter 

2.Air return system

3.Large air compressor filter

4.Central air-conditioning and central air-conditioning

The 8 kinds of G series:G1,G2,G3,G4,GN(nylon net air filter),GH(metal net air filter),GC(activated carbon),GT(high temperature resistance).


Pre Filter Photos  




Maintenance and Repair
1. In line with Environmental cleanliness, Replace at regular intervals(pre air filter main for 1-6month) 
2. Using particle counter measure the Cleanliness area cleanliness where use the air filter (2 month per), when the measured clean class is not meet the required, you should better look for the reason (whether has leakage, heap does still has effect) if the heap filter has lose used, you need to change a new heap filter.
3. Stop work when change the pre air filter.


Mingchi primary air filters adopt polyester fiber media, frame made of high strength moisture-proofing cardboard or aluminum alloy profile, protective nets made of galvanized or aluminum alloy, to make sure the structure of the air filter are firm enough during its service life. The equal height pleats will not be deformed, and keep uniform air flow.

Packaging & Shipping

Our transport packaging have the following basic requirements:

1.Have sufficient strength, rigidity and stability.

2.Waterproof, moisture, insects, corrosion, anti-theft protection capability.

3.Packing material selection in line with economic and safety requirements.

4.Package weight, size, logo, forms, etc. should be in line with international and national standards, easy handling and loading and unloading.

5.Can reduce labor intensity, make the operation safe and convenient.

6.Meet environmental requirements.



1.What will be the delivery time?

A:We have large quantities in stock for standard size, and for special size, it needs 3-7 days to customize.


2.What will be the price terms?

A:We can accpet FOB, CIF normally and other terms according to customers special requirement.


3.What will be the types of payment?

A:The payments we can accept are T/T transaction, L/C, Western Union, Paypal, Money Gram.


4.What will be the types of package?

A:For the package, we can  use standard export carton and foam, wooden or according to customer's requirement.


5.What will be the types of shipping?

A:For the shipping, you can choose DHL, UPS, TNT, EMS, ARAMEX, FedEx, City-link line, China post, by air mail, and by sea, etc.


Factory Profile

Dongguan Mingchi Purification Technology Co., Ltd. is one of the professional company committed to the production and sale of purification equipment, which has been specialized in producing relevant products in the fields of filtration and purification for many years.

Our main products are: Primary filters, medium filters, HEPA filters, FFU(Fan Filter Unit), air showers, pass boxes, clean bench, clean studio(laminar flow hood) , undertake 1-100000 class clean room design and construction.




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