Feature:1. Made of plastic material, long service time, beautiful appearance.2. Easy to operate and use, special designed for aquarium fish tank.3. Used for water flowing control and regulation of aquariums fish tank.4. Enable you to adjust water flowing from low to high easily, practical tool.5. Including 2pcs fish tank water flowing regulator of the package, red black color.Specification:Condition: 100% Brand NewItem Type: Fish Tank Water Flowing RegulatorMaterial: Plastic Suitable for: Aquarium, Fish TankOptional Type: 10mm, 14mm10mm Length: Approx. 10.3cm / 4.1in, both ends diameter: Approx. 10mm / 0.4in14mm Length: Approx. 10.4cm / 4.1in, both ends diameter: Approx. 14mm / 0.6inColor: Red Black Function: Used for fish tank water flowing control .Package List:2 x Regulator Valve Note:This water flowing regulator cannot be used as a tap water valve.