Features: Made of high-quality brass material, it is strong and durable, not easy to damage and durable. Versatile, double threaded divider with thick silicone sealing gasket fits most rain barrels, tanks, ponds or aquariums. It is easy to install, stable and durable in quality, long in life, and can be used for a long time. The thread is deep, the thread teeth are sharper, the rotation process is smoother, and the force is more uniform. Specification: Material: Brass Size: DN15: 1.34*0.79in/3.4*2.0cm, DN20: 1.54*0.94in/3.9*2.4cm, DN25: 1.85*1.06in/4.7*2.7cm Color: as picture shown Scope of application: water tanks, water towers, buckets, fish tanks Package Includes: 1pc Notes: Please allow minor errors due to manual measurement. The colors may be a little difference for the different monitor display.