Tidy Cats Glade Tough Scented Clumping Clay Cat Litter, 35-lb pail; Double down on litter box odor control with Purina Tidy Cats Glade Clear Springs Clumping Clay Litter Odor Control Pail Refill. Backed by the power of Glade, this clay, clumping litter takes a stand against strong odors, leaving a fresh fragrance behind. The clumping litter locks down ammonia, urine, and fecal odors, keeping your kitty’s litter boxes smelling great. Plus, this Purina Tidy Cats clumping litter forms strong, tight clumps that make cleaning up a simple task. This scented litter also features moisture-locking technology to keep your furbaby dry, comfy, and willing to use her box. Save big on refill bags that use less plastic than pails by weight, it’s a win/win situation all the way around.