•Non-toxic plastic connector allow you connect two or more air tubing
•Straight connectors allow you connect two pieces of air tubing, L connectors is perfect for corner
•T and Y connectors can split your airline tubing to run a second air stone from the same pump, you can also combine two inputs to create one stronger output for use with multi-outlet pumps
•Fit most air pumps for standard 3/16''air tubing
•Includes: 10pcs T connectors,10pcs straight connectors, 10pcs Y connectors,10pcs elbow connectors