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AC Infinity 4-Inch Air Filtration Kit | 10-Speed Controller, Fan & Carbon Filter

Regular price £149.00
Sale price £149.00 Regular price
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AC Infinity 4-Inch Complete Air Filtration Kit

The AC Infinity 4-inch air filtration kit combines an EC mixed-flow inline extractor fan, activated charcoal carbon filter, flexible ducting and installation accessories to help manage heat, humidity and odours in a grow room or grow tent. The included wired 10-speed controller makes it straightforward to adjust extraction airflow.

Kit contents

  • 4-inch AC Infinity inline EC extractor fan.
  • Wired 10-speed fan controller.
  • Matching 4-inch carbon filter filled with Australian activated charcoal.
  • Flexible ducting, fittings and accessories for connecting the fan and filter.
  • Pre-filter cloth and hanging/installation accessories as specified by AC Infinity.

Verified technical specifications

  • Manufacturer kit model: AC-FKS4.
  • Manufacturer UPC: 819137022065.
  • Nominal duct diameter: 4 inch.
  • Manufacturer-rated fan airflow without installed restrictions: 165 CFM (approximately 280 m³/h).
  • Energy-efficient PWM-controlled EC fan motor; supplied carbon filter uses 1200+ IAV Australian charcoal.

Installation

Follow the manufacturer instructions when connecting the fan, filter and ducting. The stated fan airflow is a laboratory free-air rating; actual extraction varies with duct length, filter restriction and the installation. UK plug configuration and included controller generation should be checked against the actual delivered supplier stock.

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Complete 4-Inch Ventilation & Odour Control Made Simple

Take the hassle out of building your grow room ventilation with the AC Infinity 4-Inch Inline Fan, Carbon Filter & Ducting Kit. This complete all-in-one ventilation system combines a quiet EC inline fan, premium Australian activated carbon filter and heavy-duty flexible ducting to create efficient airflow while eliminating unwanted odours. Perfect for compact grow tents and indoor gardens, it's an easy way to create a healthier growing environment with reliable climate control straight out of the box.

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Frequently Asked Questions

The kit includes a 4-inch AC Infinity CLOUDLINE inline fan, a 10-speed speed controller, premium Australian activated carbon filter, 25ft heavy-duty flexible ducting, duct clamps, rope clip hangers, hanging straps and a pre-filter cloth. Everything required to build a complete grow tent ventilation system is included in one package.

This 4-inch ventilation kit is ideal for smaller grow tents including 2x2, 2x4 and 3x3 grow tents. With airflow of up to 165 CFM, it effectively removes heat and humidity while maintaining fresh airflow throughout your growing environment.

The included carbon filter uses 1200+ IAV Australian Virgin RC412 activated charcoal with a 38mm carbon bed to capture unwanted odours, VOCs and airborne contaminants. This helps keep your indoor grow discreet while maintaining excellent airflow through the ventilation system.

A complete AC Infinity Air Filtration Kit ensures the inline fan, carbon filter and ducting have been matched for optimum airflow and static pressure. This makes installation quicker, eliminates compatibility issues and delivers reliable ventilation performance from day one.

Yes. The CLOUDLINE inline fan features an EC motor with PWM speed control and a mixed-flow design to provide powerful airflow while operating at just 29 dBA. It also consumes less energy than many conventional inline fans, making it ideal for continuous operation.

Absolutely. The inline fan is compatible with the AC Infinity UIS™ ecosystem, allowing you to upgrade to smart environmental controllers, connect additional compatible devices and expand your grow room as your setup evolves. This makes it an excellent long-term investment for indoor growers.