This 4pieces aquariums adapter set ensures seamlessly connection between different pipe diameters, resistant for longlasting in various water . Easy installation and leakproof seal , the adapter provide easily use and great water flows management for aquariums systems. Design for aquariums hobbyists and professional maintaining fishtanks, this tube connector essential for connecting , heaters, and air pumps with incompatible size. Effortlessly adjust water circulations systems for home aquariums or commercial use by bridging connection between equipment. Suitable with major aquariums brands and both flexible makes this water hose connector set great for creating customizing, leakfree plumbing configuration.