For multiple cats. 99.6% dust free. Tidy Cats day litter is specially formulated to neutralize ammonia odors, resulting in an easy, clean litter box routine in the toughest of all environments-multiple cat households. Specially formulated for long lasting odor control. Easy, clean maintenance. Tidy Cats Long Lasting Odor Control is specially formulated to control odor over an extended period of time, helping to keep multiple cat households smelling fresh and clean. Extended release deodorizing system. Eliminates 99.6% of all airborne dust. Absorbs odor-causing moisture for powerful odor control.