Product Code: RIT83577
The ista Spring Check Valve stainless spring design assures reliable prevention of backflow and siphoning.

Product Code: RIT83532
The ista Metal Bubble Counter & Check Valve (2 in 1), fits on your existing needle valve or CO2 splitter and connects via standard air tubing (not supplied) to your CO2 method of delivery in your aquarium.

Product Code: RIT83668
The Ista CO2 Aluminum Supply Set 1L (Advance) is a complete CO2 kit including a full CO2 cylinder (1 L), supporting base, pressure regulator, diffuser, air pipe, CO2 indicator w/ solution and CO2 pipe holder. The ista CO2 cylinder safety standards are approved by the Technical Inspection Association.

Product Code: RIT83669
The Ista CO2 Aluminum Supply Set 1L (Premium) is a complete CO2 kit including a full CO2 cylinder (1 L), supporting base, solenoid, pressure regulator, diffuser, air pipe, CO2 indicator w/ solution and CO2 pipe holder. The Ista CO2 cylinder safety standards are approved by the Technical Inspection Association.