Feature: 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)
