Specification:
Packing quantity: 5 pieces
Material: stainless steel
Interface size: outer diameter 6mm inner diameter 4mm
2-way: 3 outlet heads, which 2 can be individually adjustable air volume.

Features:
Best choice for aquarium and hydroponics. Manually control the flow of important oxygen or open or close the air pump.
Role description: can be used in air pumps as well as carbon dioxide equipment for tapping, not easy to leak, easy to operate.
Any two same or different switches can be docked with air tubes to become more air outlets.

Warm tips:
All data are measured manually, please understand if there is any error!