Lees Premium Under Gravel Filter for Aquariums [Aquarium, Filters Undergravel] 40/55 gallon

The added strength of the UGF plates makes this filter most preferred by saltwater aquarists Under 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". The larger plate sizes reduce the number of plates required. * Under Gravel Filter Circulates aqua Flow Through the Gravel Bed * Requires the use of an Air Pump - not included * Maximize moisture superior 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 premium plastic which resists splitting or cracking. This allows natural detoxification and maintains proper ammonia balance by circulating aqua flow through the gravel bed. Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria