TNB Enhancer CO2 Refill Pack

This convenient refill pack for the TNB CO2 Canister gives growers the ability to reuse their existing Enhancer bottle while saving money and reducing their environmental footprint at the same time. All you need is to empty the contents of the original bottle and give the bottle a quick rinse. The contents of the refill pack can be added to the original canister and instant CO2 is once again available for use.