ISTA Plant Aquarium 2 in1 CO2 Diffuser w/ Bubble Counter

2 in 1 Function: CO2 Diffuser and Bubble counter

Through the top quality ceramic, it distributes the finest CO2 diffusing

Provides precise, clear and easy CO2 bubble reading

Easy and simple in cleaning, changing the ceramic or water filling

Free Check Valve

ISTA 2 in 1 CO2 diffuse for aquarium plant tank, I-503