Penn Plax ZER-Odor by S.A.M. is an easy-to-use natural urine odor reducer. Just add some under your pet's bedding, and let the natural zeolite minerals suck all those awful odors away! It really is that simple!
Not only that, but ZER-Odor comes recommended by Sammy Hamster, with the Good Cage-Keeping Seal of Approval!