Keep your litter box fresher with Econo-Mousse Bye Bye Odeurs l’Original Deodorizing Pellets for cat litter. These concentrated deodorizing pellets help control litter box odours, supporting better cat hygiene and a cleaner-smelling home. Easy to use with your existing cat litter, they provide reliable odor control for everyday use. Available in convenient 250 ml and 2 L formats to suit any household’s needs.