A small black piece of non-toxic plastic connector that allow you to connect two or more air tubing.
Straight connector allows you to connect two pieces of short airlines. L connector is suitable for 90 degree corners.
Y and T connectors can split your air tubing to run a second air stone from the same pump. You can also combine two inputs to create a stronger output for use with multi-outlet pumps.
The aquarium airline tubing connectors work well on standard-sized 3/16" ID air tubing that fits most air pumps. A must have fitting for fish tank aquarium and hydro setups.
Included 10 T-connectors, 10 straight connectors, 10 Y-connectors and 10 Elbow connectors.