MS18 HEPA H13 Smoke Air Purifier for Smoking Smoke Eater with Washable Pre-Filter About this item Powerful Air Purification: MS18 True HEPA Air Purifier with compact size of 9.45 x 7.00 x 20.16 In, features dual centrifugal fans that provide powerful air purification with a rating of 110 CFM (187m³/h). Ideal for rooms up to 825ft², including living rooms, bedrooms, kitchens, offices, basements, hotels, and labs. Efficient Filtration System: The MS18 Air cleaner is equipped with an efficient 4-stage filtration system that includes a washable pre-filter for capturing large particles such as hair, pet dander, and fibers. The blue silver ion filter is designed to neutralize pollutants like dust, mold, and pollen. The H13 True HEPA filter is capable of capturing allergens and smoke, while the activated carbon filter is effective in absorbing odors, chemicals and VOCs from the air. H13 HEPA Filter: MS18 Air Purifier uses H13 True HEPA filter that can effectively remove 99.97% of particles as small as 0.3 microns and air pollution PM 2.5 (particulate matter). Helps to relieve common allergies like sneezing, coughing, and irritated eyes. User-friendly Features: The MS18 air purifier with a physical control panel, performs in 3-speed model, blue night light, filter replacement indicator, and timer function(2/4/8 hours), It also has a quiet sleep mode that operates at a low noise level of 29dB. These features make it easy to use and maintain. It's ozone-free and eco-friendly. The genuine replacement filter can be found here.