1、QUARTZ TUBE: High transmittance, thickened explosion proof quartz tube, help to reduce viruses and algae in the water, reduce the rate of fish illness and solve the problem of cloudy water. 2、SAFETY AND LEAK PROOF: Dual use for water and land, algae removal, quickly create clean water, sealing and filling, safe and no leakage. 3、EASY TO USE: Can be connected to filters, submersible pumps, can also be used alone, no need to connect other equipment, impervious to light ornamental glass tanks directly. 4、MULTIFUNCTIONAL: Through the flow of water to play the role of water purification, in addition to the role of algae, can be connected to different pumps, filters, top, bottom and other water pipes involved in the articulation of the filtration system. 5、THREE KINDS OF OUTLETS: Configure three different diameters of the outlet fittings, suitable for most water pipes, careful and light when using, to avoid rupture of the lamp leading to water inlet can not be used. Item Type: Aquarium Water Purification Lamp Material: ABS Power: 3.5W Suggested Tank Size: 30‑80CM/11.8-31.5in Suggested Tank Water Volume: 20‑120L Outlet Size: Diameter 13MM/0.51in, Diameter 16MM/0.63in, Diameter 19MM/0.75in 1 x Water Purification Lamp 6 x Spout 2 x Water Pipe Fixing Hoop 1 x Instruction Manual