Paper Frame G4 Efficiency Air Purifier Pre Filters

Nanjing Blue Sky Filter Co.,Ltd. 

As a professional manufacturer of air filtering products with ISO9001 and ISO14001

 in China, Nanjing Blue Sky Filter Co.,Ltd. Produces and supplies the following items:

1. Dust bags / air filters for the vacuum cleaners.
2. Air filters for the air purifiers / air scrubbers / humidifiers / dehumidifiers
3. Grease Air Filters for Kitchen Cooker Hoods
4. Odor / Smell Absorb Air Filters for Refrigerators
5. Air filters for motors and automobiles
6. Advanced air filters for medical appliances
7. Prefilter + HEPA filters for HVAC and any other usages, such as V-bank HEPA Filters
8. Air Filters and filter bags for the industrial machines and equipment as the replacements

Our air filters are various with different shapes and materials according to the customer’s 

specifications and requirements.
And the efficiency grade is from low to HEPA 14 grade (MERV 19) according to 

EN779, EN1822 and ASHRAE.
And our technical department is ready to develop any new air filter item for residential, 

commercial and industrial use.

1.Can the product be customized?

Yes, We are a professional manufacturer that welcomes customization, including raw material selection, specific logo printing, and packaging. Additionally, we can produce items according to your samples or technical drawings.

2.What can you buy from us?

Vacuum Cleaner Filters, Air Purifier Filters, HVAC Filters, Automotive Filters, Industrial Filters, Humidifier Filters, Cooker Hood Filters, Medical Filters.

3.What kind of service can you provide?

If you meet any quality or other problems after the purchase we will solve it in 24 hours.

4. How to pay?

Our company accepts various ways of payment, such as T/T , L/C, D/P, Credit Card, etc.

5.How long is the delivery time?

The production time varies depending on the order quantity. Typically, it takes approximately 30 days to fulfill a full 20' container order.

6.Do you arrange the shipment?

Yes, our company can arrange shipment to deliver the goods according to the client's requirements.

7.What about the after-sales service?

Our company is responsible for the supplied product throughout its usable lifespan.

8. How do you make our business long-term and a good relationship?

1). We maintain high quality standards and competitive pricing to ensure our customers benefit;

2). We treat every customer as a friend and conduct our business with sincerity, fostering friendships regardless of their origin.