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Nantong Henka Environment Solutions Co.,Ltd.

Nantong Henka Environment Solutions Co.,Ltd. was founded in 2004. Henka is one of the famous and professional air filter manufacturers for air purifiers, air cleaners, and ventilation systems. Our air filters include HEPA, VOC removal filters, Formaldehyde removal filters, Activated Carbon filters, Odor removal filters, HVAC filters, i-Hepa ventilation purification devices, and IFD purification devices.
Henka is the customized air filter supplier for the famous brands of air purifiers and air cleaners in the North American market and China market. OEM/ODM MERV 13 Filters Manufacturers, MERV 8 Air Filters Factory. Henka provides not only air filters but also professional air purification solutions.
Henka is located in Haimen City, Jiangsu Province, which is only 120 kilometers away from Shanghai. MERV 8 Air Filters Manufacturers in China. Henka has ISO14001:2015, ISO9001:2015 and ISO45001:2018 certifications, efficiency and air resistance test system for filter media, noise test lab, 30 cubic meters test room for formaldehyde and VOC remove efficiency, CADR test room for air purifier. ASHRAE 52.2 is used in testing air filters.
With more than 20 years of experience working with a US engineering team, we can design the product based on the specifications, drawings, samples, or even ideas from our customers, custom Medium Efficiency Air Filters and provide professional air filtration solutions to our customers.
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Why can medium-efficiency air filters be used in museums and art galleries?

Medium efficiency air filters are used in museums and art galleries primarily because of their ability to provide moderate filtration while maintaining low operating costs and maintenance requirements. The following are the specific advantages of medium-efficiency air filters in museums and art galleries:

1. Protect art and cultural relics: Art and cultural relics in museums and art galleries are very sensitive to pollutants in the air. Medium-efficiency filters can remove larger particles of dust, bacteria, fungal spores, etc., and reduce the damage of these pollutants to exhibits.

2. Maintain appropriate air quality: Medium-efficiency filters help maintain indoor air cleanliness, provide visitors with a healthier visiting environment, and also help protect the respiratory health of staff.

3. Reduced maintenance: By effectively removing particulate matter from the air, medium-efficiency filters can reduce the frequency of cleaning of art and exhibition facilities, thereby reducing maintenance workload.

4. Control humidity and temperature: Medium-efficiency filters are often used in conjunction with air handling systems to help control humidity and temperature within museums and art galleries, which is critical for protecting sensitive artworks and artifacts.

5. Cost-effectiveness: Compared with high-efficiency filters, medium-efficiency filters are less expensive to purchase and maintain, but still provide sufficient filtration effects to fit within the budget constraints of museums and art galleries.

6. Prevent the growth of microorganisms: Medium-efficiency filters can reduce microorganisms in the air, such as bacteria and mold, which may grow on the surface of artwork under suitable temperature and humidity conditions, causing damage.

7. Comply with codes and regulations: Museums and art galleries may have specific air quality codes and regulatory requirements, and medium-efficiency filters can help these institutions meet these requirements.

8. Improve the visitor experience: Clean air and good indoor air quality can enhance the visitor experience, allowing them to focus more on appreciating the artwork.

9. Reduce allergens: For visitors with allergies, medium-efficiency filters can reduce allergens in the air, such as pollen, dust mites, etc., providing a more comfortable visiting environment.

What does the filtration efficiency of a medium-efficiency air filter depend on?

The filtration efficiency of a medium-efficiency air filter depends on several factors, which together determine the filter's ability to remove airborne particles. The following are the main factors that affect the filtration efficiency of medium-efficiency air filters:

1. Filter material: The material of the filter has a direct impact on the filtration efficiency. Different materials have different porosity, fiber density and mechanical strength, and these characteristics will affect the interception and adsorption effect of particulate matter.

2. Filter structure: The structural design of the filter, such as deep folding, V-shaped pleats or corrugation, can increase the filtration area and improve filtration efficiency. At the same time, filters with multi-layer structures usually have higher filtration efficiency.

3. Filter level: Medium-efficiency air filters have different efficiency levels, such as F5, F6, F7, etc. The higher the grade, the better the filtration efficiency. These ratings are usually defined based on the filter's ability to trap particles of a specific size.

4. Air flow rate: Air flow rate will affect the filtration efficiency of the filter. A flow rate that is too fast may cause particulate matter to bypass the filter fibers and reduce filtration efficiency; a flow rate that is too slow may cause the filter pressure drop to increase, affecting system performance.

5. Use time: As the use time increases, the particles captured on the filter will gradually increase, causing the filter's filtration efficiency to decrease. Therefore, regular filter replacement or cleaning is key to maintaining efficient filtration.

6. Pre-filtration: Using a pre-filter before the medium-efficiency filter can remove larger particles and reduce the burden on the medium-efficiency filter, thus improving the overall filtration efficiency.

7. Installation method: The installation method of the filter, such as sealing, matching of filter and frame, etc., will also affect the filtration efficiency. Good installation ensures that air passes through the filter evenly and improves filtration effectiveness.

8. Environmental conditions: Environmental conditions, such as humidity, temperature and pollutant concentration, also affect the filtration efficiency of the filter. For example, a high-humidity environment may cause the filter material to absorb water and swell, affecting filtration performance.

9. Maintenance and Cleaning: Regular filter maintenance and cleaning can remove clogged particles and restore filter performance.

10. Filter size: The size and shape of the filter also affects filtration efficiency. Larger filters generally have higher filtration efficiency because they provide a larger filtration area.