Merv 4 6 8 11 12 13 16 MERV 11 AC HVAC Replacement Air Filter Pleated Panel Cardboard AC Filter 

1. Applicable to household air conditioners, fresh air systems, and air purifiers
Compatible with large ventilation ducts in commercial buildings, factories, hospitals, hotels, etc.
Customizable with special functions such as flame retardancy and anti-static, meeting industrial-level requirements

2.The filter is waterproof and tear-resistant, making it more durable for outdoor use, allowing campers to breathe clean air and stay away from outdoor pollution. Specialized filter for dental clinics, designed to remove odors from dental materials and disinfectants. The activated carbon layer is added with chlorine adsorbent to quickly remove the smell of disinfectants, and the HEPA layer filters out dental dust and droplet particles. 

Specialized filter for milk tea shops, designed to remove residual sweetness and milkiness. The activated carbon layer adsorbs strong sweetness and milk odor, while the HEPA layer filters out milk tea powder and straw debris. The filter is moisture-resistant and less prone to mold. It is compatible with the air purifier beside the cash register in milk tea shops, maintaining fresh air and reducing the irritation of sweet and milky odors to staff. 

4.Whole-house purification filter for large apartments, with an ultra-large folded area of 5 square meters, suitable for central purifiers in large apartments. The HEPA layer filters out particles throughout the house, while the activated carbon layer absorbs formaldehyde and odors. It has low air resistance and does not affect the air volume throughout the house. The filter lasts up to 6 months, with a low maintenance frequency, creating a clean air environment for large apartment families without the need for multiple purifiers.