JBJ Nano Cube, Aquarium Chillers, ATO, Reaction UV Filters

DUPLA co2 Check Valve

DUPLA Check Valve -
A very high-quality Dennerle German CO2 ( carbon dioxide )check valve for freshwater or marine applications. Secure compression fittings which takes 4/6 mm (ID/OD) or 1/8" airline tubing

Dennerle Check Valve -
A very high-quality Dennerle German CO2 ( carbon dioxide )check valve for freshwater or marine applications. Secure compression fittings which takes 4/6 mm (ID/OD) or 1/8" airline tubing

!