Features Compatible With Multiple Models: Designed for Pro M, L, and XL air purifiers, ensuring a seamless fit for your air purification needs Superior Pollutant Removal: Captures harmful particles as small as 0.1 microns, effectively eliminating up to 99.97% of air pollutants for cleaner air Ideal For Allergy Sufferers: Perfect for individuals sensitive to dust, pollen, and pet dander, helping to create a healthier living environment High-Quality Hygroscopic Cotton: Made from premium porous and heat-resistant cotton, ensuring reliable performance and enhanced filtration efficiency Durable Structure For Longevity: Engineered for stability and durability, providing long-lasting performance and reducing the need for frequent replacements Features: 1、APPLICABLE MODEL: Compatible with for Pro M, L and XL air purifiers(Pro M is 1 filter, Pro L is 2 filters, and Pro XL for 3 filters) 2、REMOVE POLLUTANTS: True filtration effectively catch harmful ultrafine pollution particles as small as 0.1 microns and catch up to 99.97% of air pollutants from the air 3、FOR ALLERGIC PEOPLE: This air purifier filter element is great for people allergic to dust, pollen, pet hair and dander 4、HYGROSCOPIC COTTON: Adopt excellent cotton material, which is porous, hygroscopic, heat resistant, you can use with confidence 5、STABLE AND : Air purifier filter element come with stable structure, excellent performance and long service life Specification: Item Type: High Efficiency Particulate Air Filter Element Material: High efficiency particulate arrestment and cotton Applicable: For Pro M L XL Package List: 1 x Filter Element Package List 1 x Filter Element