The ExHale 365 is a self-activated version of the Original CO2 Bag. The 365 will provide a 4x4 foot ..
The XL ExHale CO2 Bag is for medium to large grow spaces. The XL will provide a 6x6 foot or 288 cubi..
The Original ExHale CO2 Bag produces CO2 24 hours a day with no need to refill bottles or use expens..