Product name: Aquarium Splitter Air Valvehose Connector Diameter: 8 mm / 0.31 Global incetaille (approximately): 6.8 x 6 x 2 cm / 2.7 inch x 2.4 inch x 0.8 inch (l * w * h) Material: Plastic White color Weight: 10g Plastic air valves are compatible with an aquarium, an aquarium Use4 Way Type Valvehelp to increase oxygen and keep the air fresh, create a healthy environment compatible with your easy to connect to connect: Light filming and different screens can cause the color of the image of the real thing. The authorized measurement error is +/- 1-3 cm.