4'' Grow1 In-Line Duct Fan

4'' Grow1 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.You may also like 10'' Air Duct 10x25.