Pro-Series Precision CO2 Check Valve Floating harmonious look that suits a

harmonious look that suits a wide range of aquarium themes

Flourite® is good for the life of the aquarium and need not be replaced

Do they need a group to be happy

spixi snails have very smooth yellow shells with black stripes

and its durable

Pro-Series Precision CO2 Check Valve Floating harmonious look that suits aProtect your CO2 equipment with the New CO2Art Check Valve! This clever device permits the flow of CO2 in only one direction. Protecting the CO2 System from water backflow and damage to expensive CO2 equipment such as regulators and solenoids. This innovative check valve is resistant to +100psi high pressure with an incredibly low opening cracking pressure of 1 psi! The check valve is designed with easy push in connectors for simple in line