Automatic Litter Tray Activated Carbon Filter, Odor Filter, Air Purifier, Easy Installation

Designed for the Luma litter box: for optimal performance, for use with the Luma automatic litter box. Activated carbon for effective odor control - Luma's built-in fan circulates air through the activated carbon filter to capture and reduce litter odor. Easy installation: remove the air freshener cartridge, insert a new filter, then put the cartridge back in place. Recommended replacement - We recommend replacing the filter every 1-3 months, depending on deodorization settings and number of cats