Mini Pressurized 20 g CO2 Kit
The Fluval Mini Pressurized 20 g CO2 Kit is ideal for small planted aquariums up to 15 gallons. Its 20 gram cylinder will supply 55 refills of CO2. Simple to install and use, this compact unit features a regulator valve which effectively controls CO2 output, and a mounting bracket that secures the CO2 cartridge to the side of your aquarium. Kit includes: regulator valve, cartridge bracket, disposable CO2 cartridge, hose, and internal CO2 diffuser.