ExHale 365 6x9x8 Brown/White Media

The ExHale® 365 Bag provides long lasting CO₂ enrichment for indoor gardens, designed to support 4 to 6 plants in a 4ft x 4ft area. Featuring a unique mycelium and substrate system, it remains dormant until activated, then produces consistent CO₂ for up to 9 months (6 months at peak). Maintenance-free and electricity-free, with a built-in hanger for easy canopy placement to promote stronger growth and improved photosynthesis. Made in the USA.