Start the New Year with Nanjing Blue Sky Filter - a professional OEM manufacturer of HVAC air filters, home appliance filters, and automotive filters for wholesale buyers.

Breathe Easier This Christmas: Discover HVAC Air Filter Wholesale Solutions for a Healthier Indoor Season
Give the gift of clean air this holiday season with our exclusive HVAC air filter wholesale collections. Perfect for winter preparedness, our bulk filters ensure continuous protection against dust, allergens, and airborne particles—ideal for homes, offices, and multi-property management. Shop now for seasonal offers and make indoor air quality your priority this Christmas.

We are happy to announce that Bluesky is prepared to participate in IFA Berlin in Germany on 3 – 5 September. This is our precious opportunity to meet you face-to-face after 3 years during the COVID-19 pandemic. We will show a great variety of our products here, suitable for worldwide famous brands.

Explore the latest truck filtration trends, market growth, and innovative technologies in 2025. Discover high-performance truck air filters, DPF, and custom heavy-duty filters from Nanjing Blue Sky Filter.

Congratulations on the 15th anniversary of Nanjing Blue Sky Filter Co., Ltd.!For 15 years, we have stood together through thick and thin, made progress hand in hand, and remained true to our original aspiration, dedicated to providing high-quality environmentally friendly products to customers aroun

Nanjing Blue Sky Filter wishes you all a happy New Year!

Hvac filter is a kind of equipment for HVAC systems, mainly used to filter impurities and particles in the air to ensure that air quality meets certain standards. These filters effectively trap dust, pollen, bacteria and other small particles in the air and prevent them from entering the indoor air circulation system, thereby improving the cleanliness and health of the indoor air. Choosing the right HVAC filter is critical to maintaining system performance and user comfort.

The filter of the air purifier can filter harmful substances such as dust and particles in the air, which can enhance the filtering effect. From this point of view, the air purifier filter is very useful. When indoor air through the screen, can intercept a lot of harmful substances such as hair, fine particles and so on. Most of the filters in air purifiers are composed of primary filters, HEPA filters and activated carbon filters.

In fact, the air purifiers do help us clean up our air. However, people still have many misunderstandings about the functions of the air purifier. This article will show you 10 misunderstandings about the functions of the air purifier.

Cabin air filters are a function of most vehicles, the cabin air filter can catch dust, pollen and other airborne material. The article will tell you cabin air filter replacement information.