The Hagen Fluval Mini Pressurized CO2 Kit (CO2 20) is a simple to install kit for planted aquariums up to 15-20 gallons. This kit includes all the necessary components: the CO2 cartridge (20 g, disposable) .7 oz, bracket, internal CO2 diffuser, regulator valve, and hose.
You will need C02 refills for this product. Please see additional products in this category and stock up. We try to keep all of you marine need available at the best prices.