The Xtra-Large brother to the massively successful Co2 producing Exhale Bags. The easiest way to introduce Co2 into your growing environment, it doesn't need electricity or anything to work, simply prep the bag and drop it into your tent or grow room and the XL Exhale will produce Co2 continually throughout your plant growing cycle.

• Works by Cultivating Beneficial Co2 Producing Fungi
• One Way Breathable Patch Allowing Co2 To Fill Your Room
• Easy To Use
• Your Plants Will Thrive From The Extra Co2
• Stimulates Plants Natural Sugar Production
• Bigger Plants
• Bigger Yields
• Highly Recommended