4" Ventilation Kits and Fans

4" Air Filtration Kit A grow tent air filtration system with all the necessary inline components you need to ventilate your grow space. By assembli...

Spider Farmer® Grow Kits 4-inch Inline Fan, Air Carbon Filter, Ducting, Ventilation Combo POWERFUL INLINE FAN: The housing is made of a heavy-dut...

AC Infinity Air Filtration Kit  - 4" A grow tent air filtration system with all the necessary inline components you need to ventilate your grow spa...

Featuring a 4 inch inline duct fan rated for 205CFM and a carbon filter with Virgin Australian activated charcoal, controlled by a digital touch-sc...

Spider Farmer Air Ventilation Kit with Temperature Humidity Control - 4" PROGRAMMABLE INLINE FAN: Mixed flow design combined with an EC motor ens...

AC Infinity S4 Grow Room Ventilation Package - 4" The AC Infinity Cloudline S4, Quiet Inline Duct Fan System With Speed Controller, 4-inch duct fan...

With a 4'' inline fan rated for 205CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching ...

CLOUDLINE T4, QUIET INLINE DUCT FAN SYSTEM WITH TEMPERATURE AND HUMIDITY CONTROLLER, 4-INCH A smart inline duct fan designed to quietly ventilate h...

CLOUDLINE S4, QUIET INLINE DUCT FAN SYSTEM WITH SPEED CONTROLLER, 4-INCH The duct fan system is designed to quietly cool AV equipment rooms and clo...

CLOUDLINE LITE A4, QUIET INLINE FAN WITH SPEED CONTROLLER, 4-INCH This inline fan system packs the CLOUDLINE’s core innovations and premium build q...

MARS HYDRO IFRESH 4-INCH SMART INLINE DUCT FAN AND CARBON FILTER COMBO VENTILATION FOR GROW TENT The Mars Hydro 4'' Smart Ventilation Kit includes ...

CLOUDLINE LITE B4, QUIET INLINE FAN WITH TEMPERATURE CONTROLLER, 4-INCH An inline fan system packed with the CLOUDLINE’s core innovations and premi...