ExHale XL 8x7x11 Brown/White Media

The ExHale® XL CO₂ Bag provides powerful CO₂ enrichment for larger 6ft x 6ft grow spaces. Supporting 6 to 8 plants through all growth stages, it delivers six months of continuous CO₂ release with no maintenance, electricity, or setup required. Simply hang it above your plants to enhance photosynthesis and growth. Organic and made in the USA.