ISTA 3 in 1 CO2 Diffuser
- Three functions in one, CO2 bubble counter, check valve and diffuser.
- Assure the best diffusing effect.
- Acrylic material allows accurate CO2 bubble reading.
- Easy assembling for filling up water, replacing and cleaning ceramic.
- Stainless steel spring check valve effectively prevents backflow.
- Specific material of suction pad for acid, harden resistant and longer operation life.