3/16" Barbed x 3/16" Barbed connections
Micro Airline control valve fittings let you regulate the air or air flow through standard airline tubing for devices such as air-stones, ozone generators, filters, protein skimmers, etc.
Available in 6 packs or individually.More
Micro Airline Control Ball Valves - Two Little Fishies
Two Little Fishies Airline Control Ball Valves are the easiest to use valves on the market for air flow control. Many cheaper control valves will start to leak air, or have minimal control of air flow. The Two Little Fishies Ball Valves give you precise control, letting you fine tune the amount of air traveling to your air stone, skimmer, or ozone generator.