AQUAEL Aquarium sprinkler are used to ensure uniform distribution of water flowing from the outlet pipes of filters. They decrease the overall flow of water in the aquarium by limiting its current. The sprinklers can be installed underwater or above the water surface. By stirring the water surface, they increase water oxygenation and improve the living conditions of fish and other inhabitants of the tank. AQUAEL Sprinkler+ nozzle pipe set for aquariums+ for aeration and water movement+ universally applicable+ consisting of nozzle pipes, connecting pipes, angles, suction holder, plug Size 12 mm suitable for e.g.: FAN, Unifilter, Pat mini, Turbofilter 500, Circulator 500 and others with 12 mm outletSize 18 mm suitable for e.g.: Turbofilter 1000/1500/2000, Ultramax, Maxi Kani and others with 18 mm outlet