Ista Stainless Steel Co2 Check Valve aquariums Designed for an exceptionally long

Designed for an exceptionally long service life when used correctly

Aquarium hobbyists using loose chemical or biological filter media

repositionable colour-chart solution for their tank

When using other water sources

colour vibrancy

Ista Stainless Steel Co2 Check Valve aquariums Designed for an exceptionally longIsta Stainless Steel Co2 Check Valve Ista Stainless Steel Co2 Check Valve is a compact aquarium CO2 accessory designed to help prevent back flow in CO2 setups. Made for planted aquarium systems, it suits aquarists who need a durable check valve for standard 4 mm CO2 airline tubing. Key Benefits Helps provide secure back flow prevention in aquarium CO2 systems. Compact design takes up minimal space within a CO2 setup. Stainless steel construction is