Meco 4 in 1 Acrylic U Shape Valves CO2 Diffuser Bubble Counter Aquarium Fish Tank Supplies

Specifications: Material: Acrylic & Nano MBK Color: Clear Diffuser Length: 15.5cm/6.10''(appr.) Thickness of the Replacement Slice: 5mm/0.20''(appr.) Features a.Check valve with stable performance. b.With the function of CO2 bubble counter. c.U-shaped air intake, no bending needed. d.Made of Acrylic and Nano MBK, with efficient refinement and high clearness. e.5mm repalacement slice using nano MAK helps produce delicate bubbles which is compatible with 60-150cm grass tank. Package included: 1* CO2 Diffuser 1* Suction Cup 1* Check Valve (color sent by random) 1* Water Injection