The plastic tube will never get rusty in water as the common metal ones
The air can be ditributed in appropriate level and deliverd to your fish with the 2 distributors.
The air outlet of Aquaculture Air Valve can be connected to aquarium tubing.
Lever valve let you operate it easily..
Specification:
Product Name: Aquarium Air Valve
Material: Plastic
Outlet Outside Diameter: about 4mm
Suitable for: 4mm soft pipe
Color: White
Qty: 10Pcs 
