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With their proven closure system you can now brew with confidence
The ONA Carbon-Air is easily connected to your existing ventilation system to distribute ONA throughout your room or air exhaust system
The black plastic helps prevent the growth and spread of algae
A built-in photocell located on the controller automatically detects the day and night status
4'' Grow1 In-Line Duct Fan Sea Green Hydro With their proven closure system4" High Output In Line Duct Fan. Air flow is an essential component in any horticulture configuration. These fans can be used for filters, intake, or exhaust. This durable and high quality 4", fan is powerful enough to air cool several lights connected by ducting and powerful enough to extract odor and heat from your room. Keep your growing environment in balance by ensuring you have proper ventilation. 171 CFM 120V 60Hz 0. 95A 113W 2910 RPM UL
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