This 20lb Empty CO2 Tank is often combined with a CO2 Regulator/Injector and either a timer or CO2 Controller to dose elevated levels of CO2 in your indoor garden.
- Requires ATM119 CO2 Tank Refill, sold empty.
- ***NOT SUITABLE FOR RETAIL SHIPPING. MUST BE PICKED UP IN STORE. ADDING THIS PRODUCT TO YOUR CART MAY PREVENT YOUR ABILITY TO CHECKOUT.***