Product name：ISTA Mini Ceramic CO2 Diffuser 2 in 1 #I-685
● Top quality ceramic assures the best diffusing effect.
● 2 in 1 function: CO2 bubble counter and diffuser.
● Unit comes apart for easy ceramic replacement, cleaning and water filling.
● Acrylic material provides clear CO2 bubble reading and also acid and break resistant.
● CO2 pipe holder included to prevent CO2 pipe from bending.
For 4/6mm co2 tube (Does not contain)