DescriptionAre you looking for some professional, yet affordable fish tank oxygen pump air regulating valves? Are you in search of some sturdy, trustworthy tools that can do multiple jobs at once? If yes, look no further! Our product must meet your needs. It is one of the best choices for you.Features- Color: White and Yellow.- Material: Plastic. - Size: About 5.00X2.00X2.00cm/1.97X0.79X0.79inch. - Note: This product includes 10pcs white and 10pcs yellow. - Note: Suitable for oxygen tubes with an inner diameter of 4mm. - A good substitute for broken and old oxygen pump air regulating valve.- Easy to install and use, stable and firm, not easy to fall off.- Its practical and professional design is easy to control air volume.- Suitable for fish tank and aquarium oxygen aeration pump.- This is fit for connecting 4mm inner diameter oxygen tube .
