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MAXIMUM COVERAGE & HIGH-OUTPUT VALUE: Includes two XL CO2Bags with 50% more capacity than our Medium model. Use both simultaneously for large grow spaces up to 6m² (64 sq. ft) or sequentially for up to 6 months of continuous CO2 supply. BOOST PHOTOSYNTHESIS & HARVEST WEIGHT: Elevate your green room environment. Continuous CO2 enrichment accelerates photosynthesis, drives rapid canopy expansion, and increases total crop yield by up to 20%. 100% MAINTENANCE-FREE & ZERO ELECTRICITY: Eliminates the need for expensive tanks, regulators, or heat-generating machinery. Simply hang the bags above your canopy and let the natural formula release CO2 24/7. SAFE, ORGANIC & EASY TO USE: 100% safe for plants and people. Our organic formula releases CO2 steadily without heat, creating the perfect atmosphere for your green room. THE FINNISH ORIGINAL: Authentic Finnish innovation engineered for peak plant performance. CO2Bag delivers pro-grade carbon dioxide enrichment directly to your indoor garden.