Lee's, Lees Premium Under Gravel Filter for Aquariums, 15/20H gallon

Product Description Lees 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 Biological Filtration Can be used in Freshwater Aquariums and Saltwater Aquariums Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquaristsUnder Gravel Filter Dimensions:5.5 Gallon Undergravel Filter: 8" x 16"10 Gallon Undergravel Filter: 10" x 20"15 / 20H Gallon Undergravel Filter: 12" x 24"20L / 29 Gallon Undergravel Filter: 12" x 30"40 / 55 Gallon Undergravel Filter: 12" x 48"50 / 60 Gallon Undergravel Filter: 18" x 36"70 / 90 Gallon Undergravel Filter: 18" x 48"125 / 135 Gallon Undergravel Filter: 18" x 72"lates makes this filter most preferred by saltwater aquarists Product Benefits Ingredients Suggestions Special Note Warnings DisclaimerPeta2z.com offers nationally branded products that are produced according to manufacturing standards set by regulators at everyday low prices. Do not use unproven, unbranded products, which can pose serious risks to your health.