- Precision needle valve provides stable and accurate CO2 output
- Dual gauge indicators show different pressure volume, one indicates the pressure inside the bottle, and the other one shows the depressurize power
- Made with stainless steel, anti-rust
- Hand air-tighten design, no tool required
- High quality, silent, and safe to use
The CO2 Control Regulator (Solenoid Valve) I- 533 is far and away, one of our most popular items. People can't seem to get enough of it for their aquariums. Buy now!
Inventory Last Updated: Jul 25, 2021