Rojeco 4000mAh katteaffaldskasse DeodorizerRojeco 4000mAh Cat Litter Box Deodorizer Looking for a way to keep your cat's litter box fresh, extend the life of the litter and eliminate unpleasant odors? Rojeco has the perfect solution for you! The smart odor absorber features a deodorization rate of 99% and is equipped with a negatively charged ion generator that automatically releases deodorizing and dust reducing ions. The unit monitors odor around the clock, eliminating up to 99% of odors.