Lees Premium Under Gravel Filter for Aquariums, 125/135 gallon Toy Story Active Ingredients: Didecyl dimethyl ammonium

Active Ingredients: Didecyl dimethyl ammonium chloride n-Alkyl (C1450%

The clever design of the Squarble is uniquely shaped for the most erratic bounce to drive your dog bonkers

The added Glucosamine HCL & Chondroitin Sulfate can help in lubricating joints and building cartilage

nutritious ingredients in a mix that small animals love

Lees Premium Under Gravel Filter for Aquariums, 125/135 gallon Toy Story Active Ingredients: Didecyl dimethyl ammoniumLees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed. Under Gravel Filter Circulates Water Flow Through the Gravel Bed Requires the use of an Air Pump not included Maximize Water Quality by Using a Power Filter Provides