Automatic litter box freshener set Pro, Ultra, Ultra View, 4 pieces, Shaw [0704384288084] Properties: - this set of 4 air fresheners is specially created for Shaw Pro, Ultra and Ultra View automatic litter boxes, offering long-lasting freshness and a pleasant fragrance; - creates a fresh and clean atmosphere around the litter box; - each air freshener is effective for up to 30 days; - effectively eliminates unpleasant odors from the automatic litter box. Presentation: 4 pieces