MULTI-CAT SCENTED LITTER WITH THE POWER OF FEBREZEIncreased odor fighting protection with the power of Febreze for multi cat litter boxes. 10 day Odor Control GUARANTEED. Leaves behind a fresh clean scent. Now with Ammonia Block! Ammonia Block technology from Fresh Step stops odors from one of the primary odor offenders in your litter box: cat urine. Working in two ways, this technology controls bacterial growth, while also deactivating the enzyme that forms ammonia. What does it all mean for you? A