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The TNB CO2 Refill Pack consists of the same great recipe while combining convenience and an amazing option for those looking for passive CO2
• A broad spectrum insecticide
Roots Organics Nitro Bat Guano is an excellent source of nitrogen
maintenance-free planting box and growing system
connect without leaking and hold up season upon season
H4 Inline Fan Humidity Proof AC Infinity The TNB CO2 Refill PackSpecially designed for mushroom growing to quietly ventilate grow spaces and help control indoor climate levels. IP65 rated to ensure performance in high humidity spaces while resisting dust, debris, and moisture. Includes a fan speed controller with precise 10 level control for exact airflow and CO2 buildup prevention. EC motor with PWM control enables quiet and energy efficient performance for consistent fresh air exchange. Duct Size: 4" Dimensions: