Size: unit
Water backflow stop for CO2 systems.
Key Features:• Special water backflow stop for aquarium accessories.
• Accessory for CO2 systems, pH control devices and solenoid valves.
• Easy to install: integrate the backflow stop between diffuser and CO2 system with the arrow in the direction to the aquarium.
• For CO2 hoses with ¯ 4/6mm.