Are you looking for a professional, yet affordable splitter switch? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional splitter switch must meet you needs. It is one of the best choices for you. Features - Color: Silver. - Size: 11.2 x 2.8 x 2.3 cm. - Material: Stainless steel. - Control the flow of vital O2 from your pond aerator or aquarium air pump with this handy Air Control Valve. - Lever let you operate it easily. - The outlet of Water Flow Control can be connected to aquarium tubing. - Inner diameter of outlet valve: 4mm. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you