Sevenports UA-522-3 CO2 Diff/Bubble Counter

Glass CO2 diffuser. High quality ceramic plate for atomizing CO2 gas for a higher efficiency diffusion rate. Built in 3 glass coil bubble counter. Specifications - It promises the best CO2 dissolution rate possible. - Easy and simple to maintain. - High quality ceramic diffusion plate. - All glass design. Dimensions - 1.5"L x 1.5"W x 3.5"H