Feature:

\u25cfAdjustable and accurate air control.
\u25cfYou can see air-flow.
\u25cfSafe， anti-siphon.
\u25cfFits all standard aquariums.
\u25cfSuitable for fresh or saltwater.
\u25cfThe outlet air standard size for air line tubing aquarium (4 mm).
\u25cfIt can flow of the air pump from one into two ways.

Product Attributes:

Material: Plastic
Color: Gray， Black， Red， Cyan
Quantity: 1 Pcs
Size(approx.): 3.8 x 9cm(L x H)

Package Include:

1 x Air Regulating Valve

Note:

1.Due to the light and screen difference， the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid.
2.Please allow 1-5mm differences due to manual measurement.