Keep ferret cage and litter box areas fresher with these odor removers. Odor Crystals with volcanic zeolite ingredients in crystal form absorb odors right from the air. Works for 8 months and can be renewed by placing in direct sunlight. Disposable Exit Odor uses activated charcoal to absorb airborne and surface odors for up to 3 months. Hang pouches from side of cage.
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