lifesupplyusa 3-in-1 filter fits bissell 2521 / 2520 bissell air400, series 24791

GREAT VALUE: Includes 1 HEPA filter, 1 carbon filter, and 1 pre-filter (3 in 1) of HEPA + filter Set, measures approximately 15.7in. x13.4in. x2.4in. This is a replacement HEPA and carbon filter set for air purifiers, to help effectively filter airborne elements such as smoke, dust, fabric fibers and other small particles. COMPATIBILITY: Compatible with Bissell 2521 HEPA filter and 2520 carbon filter, Bissell air400, series 24791 air purifiers MOST EFFICIENT: High-Efficiency Particulate Air (HEPA) filter design filters very fine airborne particles. Carbon filters perform as an odor remover and extends the life of the HEPA filter. USED BY PROFESSIONALS: Life Supply USA Air Purifier Filters are made to be durable & efficient for months. SAVE MONEY by ensuring the maximum airflow supply volume & protection of your device. SIMPLE TO INSTALL: Installation is easy; no tools required. Simply remove and replace from your air purifier unit when needed. Replace this filter every 6 months.