11 Piece Air Control Kit Includes Adjustable Valves & Tee Splitters For High Performance And For Use In Aquariums, Terrariums, And Hydroponic Systems High performance 11 piece Air Control Kit, includes adjustable valves and tee splitters for use in aquariums, terrariums, and hydroponics systems Great for use with aquarium ornaments, bubblers, Blue Spotted Air Stone Discs & air stones, and a variety of air driven filters Use to divide and control air flow from your air pump to multiple decorations and devices Made of high-quality, non-corrosive material plastic. The color is black so you can easily hide and blend into your aquarium, terrarium, or hydroponics system Designed to fit all standard aquarium airline tubing and work with aquarium and hydroponics air pumps, check valves, filtration system, air stones, air flow control levers, and aquarium ornaments