Odour Buster Clumping Cat Litter is a clay based premium clumping cat litter ideal for single or multi-cat homes. Unlike most leading brands, Odour Buster was originally created?for the agricultural sector and was later redesigned?for residential?use. This unique adaptation resulted in a?powerful, dust free odour control solution that lasts for up to 7 days! Odour Buster cat litter is an ultra premium cat litter brand. It uniquely controls odours in a way most other brands cannot.