Features:
①Xiaoyztan Great accessories for your fish tank tube,air pump,check valve,bubble stone connection.
②Y-Shape Valve is used to divide and control air flow from your air pump to multiple devices.
③Air Tubing Spliter can increase oxygen and keep air fresh, creating healthy environment for your fish.
④Y-shape connectors can split air line hose easily to make stream become two shares; also can combine two inputs together to create one output.

Specifications:
Material: Plastic
Color: Clear
Connector Outside Dia: 5mm/0.2"
Connector Inner Dia: 3mm/0.12"
Overall Size(Approx): 44 x 31mm / 1.7" x 1.2"(L*W)
Package: 6 pcs x Aquarium Air Valves

Warm tips:
For a better connection,before you use,please wet the connector and aquarium tube to get a easily install.
Please ensure connectors have the hole all the way through.