Features: Brand new and high quality Enjoy high efficiency filtration for a healthier indoor environment. Designed for long lasting use, these filters feature advanced multi layer technology. Each layer works together to provide comprehensive purification, reducing the frequency of replacements. Suitable for households seeking to improve indoor environments, especially for those sensitive to allergen. Perfect for individuals of all ages, including infants, pregnant women, and those with allergies. Suitable for various settings such as homes, offices, and meeting rooms, these filters create a purified environment, promoting well being for occupants. Say goodbye to discomfort caused by seasonal irritants. Suitable for combating common allergen during high allergy seasons, providing relief from symptoms. Specifications: Material:ABS+Cotton Color:Yellow/Black Type:1 Set/2 Set Size:Approx.49.5x11.8x4.5cm/19.48x4.64x1.77inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 2 Optional Package: Package 1 Include:1 Set HEPA Filter Package 2 Include:2 Set HEPA Filter