What We Like: Boosted with probiotics that tackle litter and squander microorganisms; hypoallergenic formula (for cats and people) with no added fragrances; superb clumping and odor control Ultra is great for multi-cat families and cat homeowners with sifting or mechanical litter packing containers and it controls odor Normally without perfume, https://hypoallergenic-cat-litter16036.madmouseblog.com/12124897/5-tips-about-dr-elsey-s-respiratory-relief-clay-litter-you-can-use-today