SAFILE 4 Pack Replacement Filters Compatible with Robot 3, Replacement Carbon Cat Fit for Litter Box Filters

【Package Included】4 Pack Replacement Filters provides 4 months of odor control, make your home always smells fresh.For best results,we recommend changing the carbon filters monthly. 【COMPATIBILITY】Our Filters are 0.60″ thick, making them up to 3x thicker than your average filters. ONLY Compatible with Litter-Robot 3 Cat Fit for Litter Box. 【High Quality Material】We use activated replacement carbon filter paper is non-toxic, safe for pets. Pure natural activated carbon made from coconut shell, peat, wood and sawdust. 【Easy To Use】 No tools required. No measuring or trimming needed.Simply remove the old filter, replace it with a new one and enjoy uninterrupted cat for box odor control.