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Designed for efficient air filtration, the inner core of the Mars Hydro carbon filter was made of 1050+ Australian activated charcoal, eliminating undesirable odors, pungent smells, and particulates from indoor grow tents. The double-sided galvanized steel mesh provides 53% of the open area for airflow to pass through, so that the odor absorption and chemicals elimination process can be carried out thoroughly. (The carbon filter was covered by a prefilter cloth; do not remove it when using)
The Mars Hydro 4 inch inline duct fan and carbon filter combo ventilation kit is capable of ventilating and filtrating a 2×2 grow tent, a 2.3×2.3 grow tent, or a 3×3 grow tent, the best partner to control your grow environment with fresh cool air.
Package Includes: 4″inline duct fan with speed controller, 4″ carbon filter, 7.5m length flex ducting,3 Duct Clamps, Humidity Thermometer; Timer; 4 Grow Bags; 70x70cm Plant Nets; 2 Adjuastable Rope Hangers.