Condition: New
Made of high quality material
Practical and convenient to use
Suitable for fish bowl and fish tank
Reusable and easy to keep clean
Combined with a suction cup， easy to install
Color: Crystal
Material: Glass and Ceramic
Diameter: Big Hole: 0.79in / 2.0cm; Small Hole: 0.14in / 0.35 cm
Compatible with standard aquarium air pipe of 4mm inner diameter
Dimensions: (2.36 x 1.18)" / (6.0 x 3.0) cm(L x W)

Package content:
1x CO2 Diffuser