1. What is HEPA filter? HEPA(High efficiency particulate air Filter)，filters that meet HEPA standards have an efficiency of 99.7% for 0.1 micron and 0.3 micron, and the characteristics of HEPA nets are that air can pass through, but fine particles cannot pass through. It can remove more than 99.97% of particles with a diameter of 0.3 micron (1/200 of the diameter of a hair), and is the most effective filtration medium for pollutants such as smoke, dust and bacteria.

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.

When a HEPA filter is dirty, it becomes clogged with dirt, dust, debris, and other pollutants, reducing its ability to trap particles effectively. As a result, the air filtration system's efficiency decreases, and it may not be able to capture the same amount of harmful particles as a clean filter.

Nanjing Blue Sky Filter Co., Ltd, established in 2009, is a professional manufacturer specializing in various air filters' design, development, production, sales and service. We are located in Lishui economic development zone with convenient transportation access and the goods can be loaded for export at both Nanjing Port and Shanghai Port. Nanjing Blue Sky Filter Co., Ltd. Has obtained certificates of I S O 9 0 0 1 and I S O 1 4 0 0 1 to manage our operation in a scientific and standard way.

Nanjing Blue Sky Filter Co., Ltd. established in 2009, is located in Li shui District, Nanjing, Jiangsu Province. Main products include air purifier filters, vacuum cleaner filters and accessories, humidifier filters and other filtering products. Our company has standardized dust-free workshop, six generations of intelligent origami machine, intelligent glue machine, automatic assembly line and other professional production equipment, provide various customized processing services.

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.

The function of air purifier is to remove particulate matter in the air, including allergens, indoor PM2.5, etc. At the same time, it can also solve the indoor, underground space and car volatile organic matter air pollution caused by decoration or other reasons. Since the release of air pollutants

The replacement frequency of the parts of the sweeping robot mainly depends on the frequency of use. If the frequency of use is not very frequent, then it is better to change it once in about 6 months to 12 months. If it is used frequently, it should be used more than twice every day, then under nor