Activated Carbon Filter Refill

Activated Carbon Filter Refill

Regular price $ 7.99

Keep your home smelling fresh and clean with a natural, nontoxic filter. Made with fragrance-free activated charcoal, your carbon filter helps reduce bacteria and odor from your Secret Litter Box. 

Your carbon filter refill lasts for up to 12 months. Simply recharge your filter by placing it in the sun and then place it into the top of your Secret Litter Box.

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  • Benefits
  • Dimensions
  • What's In The Box


  • Reduces odor
  • Filters bacteria
  • Long-lasting
  • Simple to use
  • Dimensions

    What's In The Box

    Naturally Nontoxic Activated Carbon Filter

    Eliminates Odors for up to 12 Months

    Recharges in the Sun

    • “Your house can always use an extra houseplant (or two), and now
      houseplants become multipurpose with the Secret Litter Box.”

    • “A truly incognito litter box.”

    • “The high walls prevent your cat
      from tracking litter out of it, and reviewers say there’s no smell. Nearly 900 five-star reviews (out of 1085) agree.”