With the Bionaire HEPA-Type Permatech Air Purifier you can eliminate airborne allergens, such as dust, pet dander and pollen. The Bionaire Air Purifier removes up to 99 percent of airborne pollutants as small as 2 microns to keep the air pure and help you find relief from allergies. With an optional ionizer, this Bionaire HEPA-Type Permatech Air Purifier boosts particle filtration. This HEPA Air Purifier has three speed settings, so you can adjust it in accordance to your varying needs. You also won"t have to worry about constantly replacing the filter — the HEPA filter in this Bionaire HEPA-Type Permatech Air Purifier is long-lasting and continuously provides allergen relief. This HEPA Air Purifier works in rooms at up to 81 square feet. The Bionaire HEPA-Type Permatech Air Purifier measures 9.5" long x 6.75" wide x 14.4" high. Bionaire HEPA-Type Permatech Air Purifier, Black, 2pk: * For rooms up to 81 sq ft * HEPA filter * Elimates dust, pet dander and pollen * 3 speed settings * 5-year warranty * Dimensions: 9.5"L x 6.75"W x 14.4"H * Model# BAP1412D-U