Aquarium Decoration -Stainless Steel Highlights Generic Brand Stainless Steel Description: Brand new and high quality Aquarium Air Pump Air Flow Control Lever Valve is the best choice for fish farming applications and aquaculture. The lever valve allows you to use it easily. This lever valve can be used for aquarium, hatchery and aquaculture applications. Single row design, stainless steel material, easy to install and use. Inlet diameter: approx. 8mm/3.15inch, Outlet diameter: 4mm/0.16inch, Size: approx. 23x5.3cm/9.06x2.09inch Package includes: 1 x Air Flow Control Valve Note: As the above size is measured by hand, the size of the item you received might be slightly different from the one above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.