40 Pcs Air Valve Connector for Aquarium White Plastic Hose for Aquarium Air Pump Accessories, 3-Way T

A small piece of non-toxic plastic that allows you to connect two or more air hoses. T-connectors allow you to split your air hose to operate a second air stone from the same pump. You can also combine two inputs to create a more powerful output to use with multiple output pumps. T Connectors Dimension: 3cm(L) x 1.8cm(L) x 0.6cm(T) Straight Connectors Dimension: 3cm(L) x 0.8cm(D) Works well on standard size 4-6mm inner diameter air hoses that fit most air pumps. The package includes 20 x T-connectors and 20 x straight connectors.