Bionaire Odor Grabber Filter Pack Set, 2 sets/pack
Includes 2 sets of filters for use with the Bionaire Odor Grabber Litter Box 78800-100.  Advanced odor filter targets and traps litter box odors through a proprietary blend of activated Carbon and Zeolite.  The odor filter works through a process called adsorption, where specific odor molecules are trapped and held by the filter. A specialized pre-filter removes harmful dust, dander and fur as they pass through the filter.  Filters last up to 8 weeks although actual life varies based on number of cats, scooping/cleaning frequency, location, etc.