Skip to product information

AC Infinity Air Filtration Kit 4", Inline Fan with Speed Controller, Carbon Filter & Ducting Combo

AC Infinity

6 total reviews

Regular price
Price: $146.99 USD
Regular price
List Price: $0.00 USD
Sale price
Price: $146.99 USD
View Cart

Bulk / Commercial Pricing

Email us or call 814-470-8368 TODAY!

Interest-Free Financing

Checkout and pay with Sezzle or Shop Pay Installments.

Availability: 18 in stock

Estimated Arrival: Between Jun 18 and Jun 23.

SAVE $10 on orders over $200 | Use Coupon Code: KEEP10

00 Days
00 Hours
00 Minutes
00 Seconds

Why Buy From Grow Tents Depot
  • Air Filtration Kit: A comprehensive kit to cool, ventilate, and control odors in your grow space. It includes a CLOUDLINE inline fan with speed controller, carbon filter with prefilter cloth, and flexible four-layer ducting. It also contains accessories such as clamps, prefilter cloth, rope clip hangers, and hanging straps for easy installation.
  • Highly Efficient Performance: The CLOUDLINE inline fan offers silent and high-performance airflow using a 10-speed fan controller, stator blades, and dual hydrodynamic wind circles. All these features aid in delivering excellent airflow even in restrictive applications. Additionally, the fan has an impressive 67,000-hour lifespan and is IP-44 rated for resistance against dust and splashing liquids.
  • Premium Carbon Filter: The kit includes a carbon filter using a 38mm thick bed of Australian activated charcoal with an IAV rating of 1200+. This feature effectively absorbs odor molecules and prolongs the carbon filter's life. Furthermore, it includes prefilter cloths and reversible flanges for convenience.
  • Robust Four-Layer Ducting: The flexible ducting in the kit is designed for durability with four layers of protection to resist tears and leaks and a robust internal steel wire structure. It's also fire-resistant and offers 25 feet of customizable length.
  • Complete Ventilation System: This kit includes everything necessary to ventilate your growth space efficiently. It eliminates the confusion of individual purchases and provides a quick setup. It's part of the UIS™ platform of grow devices and smart controllers, designed for an ideal environment. The kit's duct size is 4", and airflow capacity is 165 CFM, along with a low noise level of 29db.
  • Specifications
  • Manufacturer: AC Infinity Inc.
  • Product Name: Air Filtration Kit 4"
  • Product Model: AC-FKS4
  • UPC Code: 819137022065
  • Product and Mounting Dimensions - Fan Unit
  • Duct Size: 4"
  • Total Dimensions: 7.48 x 11.89 x 6.93 in.
  • Mounting Hole-To-Hole Distance: 3.15 x 2.36 in.
  • Screw Hole Size: Ø 0.197 in.
  • Cord Length to Controller: 72 in. (6 feet)
  • Cord Length to Plug: 72 in. (6 feet)
  • Product and Mounting Dimensions - Controller
  • Total Dimensions: 2.70 x 1.37 x 0.55 in.
  • Product Performance and Technical Specs - Fan Unit
  • Total Airflow (Fan Only): 165 CFM
  • Total Noise: 29 dBA
  • Max Speed: 2800 RPM
  • Static Pressure: 324 Pa
  • Voltage: 100-240V AC
  • Frequency: 50/60Hz
  • Max Power Draw: 35 W
  • Average Power Usage: 18 W
  • Current: 0.55 A
  • Operating Humidity: 35 to 85% RH
  • Operating Temperature: 0 to 140°F
  • Ingress Protection: IP 44
  • Fan Bearings: Dual Ball
  • Mounting Positions: Horizontal or Vertical
  • L10 Life Expectancy: 67,000 Hours
  • Product and Mounting Dimensions - Carbon Filter
  • Duct Opening Size: 4"
  • Total Dimensions: 13.35 x 6.97 in.
  • Flange Length: 1.46 in.
  • Product Performance and Technical Specs - Carbon Filter
  • Flange Material: Aluminum
  • Mesh Material: Galvanized Steel
  • Carbon Type: Australian Virgin RC412
  • Carbon Grade: 1200+ IAV
  • Carbon Thickness: 38mm
  • Maximum Airflow: 210 CFM
  • Product Dimensions - Ducting
  • Ducting Size: 4 in.
  • Length: 300 in. (25 ft)
  • Product Performance and Technical Specs - Ducting
  • Outer Layer: PVC Thermoplastic
  • Inner Material: Aluminum Foil
  • Internal Structure: Spiral Steel-Wire
  • Data Sheet
  • Download the Product Manual: here
  • Download the CE Certification: here
  • Download the RoHS Certification: here
  • Bulk Discount
  • Buy 2 or more of this item and receive $5 off each at checkout!
  • Price Match Guarantee
  • Shop safe knowing that Grow Tents Depot offers the lowest prices on all of our products - all the time - guaranteed!
  • We work very hard to ensure that we always have the absolute best prices online, so we make this guarantee knowing that if you find a lower price somewhere else, we will match or even beat our competitor's price! Simply reach out to us with a screenshot and link of our competitor's price (including shipping) and let us make you an offer! If you have already purchased with us and you find a better price within one week of your order, let us know and we will issue a refund for the difference!
  • Our 100% price match guarantee has some limitations:
  • -Promotions such as rebates, "buy one, get one free", and other discounts are not eligible.
  • -The item must be in stock on the competitors website when you request your price match.
  • -The competitor must be an online store and may not have a retail location.
  • -The website cannot be a discounter or auction website (e.g. Amazon, eBay, Overstock, etc.).
  • -The competitor must be an authorized retailer of the product in question.
  • -The price match applies to the item price and the shipping charges but excludes sales tax.
  • -On rare occasions, we reserve the right to refuse a price match if we would incur a loss.
  • Get growing today!
  • Shipping, Returns, and Cancellations
  • Order Confirmation:
  • As soon as your order is placed, an order confirmation e-mail will be sent to you. This means that your order has been successfully entered into our system and that we have pre-authorized your payment method for the purchase. In rare cases, if your product is unavailable or delayed, we will contact you and see if you would like to either wait for your item(s) to become available, change your order, or simply be refunded for your cancelled item(s). If your item(s) are immediately available, we will process your order and arrange for soonest possible shipment. Please note that once the order is processed we are unable to change the shipping address.
  • Order Shipment:
  • We offer FREE SHIPPING on all orders and currently service the lower 48 states. Most items are shipped within 1 to 3 business days and shipping time is typically between 1 to 7 business days. There are some products that have a slightly longer lead time and this will be indicated on the individual product pages if applicable. Once your order has shipped, we will send you the tracking information as soon as it becomes available. If a week or more has gone by and you still have not received the tracking information (or the number is not working), please reach out to us right away at If you are in Alaska, Hawaii, or outside of the US and would like to place an order: we may be able to ship to you, but you will need to reach out to us for a custom shipping quote.
  • Cancellations and Refunds:
  • If you need to cancel your order, please reach out to us as soon as possible. Cancelled orders are subject to a 5% administrative fee (for credit card, debit card, Amazon Pay, Coinbase, and Facebook orders) or an 8% administrative fee (for Shop Pay Installments and Sezzle orders). We can accommodate most cancellation and refund requests, however if a product has been arranged to ship or has shipped, then the item will be treated as a return and will potentially be subject to return shipping costs and restocking fees. Any refunds that may be issued will only be issued to the original payment method used when placing your order and only after the return has been confirmed to be received back in its original condition.
  • Returns:
  • Please see our full return policy at the footer of this page for brand-specific details. A restocking fee of 5-25% may apply on returns within the dates of the brand-specific return policies. If you would like to proceed with a return, please reach out to us to receive the precise return instructions and clarification on the restocking fees for your item(s).
  • Warranty
  • Grow Tents Depot only sells brand new products, never used, and therefore all items come with full manufacturer warranties if offered. Please note that Grow Tents Depot is not responsible for replacing or repairing your product while under warranty as this is the manufacturer's commitment to you. However, Grow Tents Depot would be happy to assist you in getting your product repaired or replaced by coordinating with the manufacturer.
  • If you would like us to assist with a warranty claim, please reach out to support with the following information:
  • Your order number.
  • Your shipping address.
  • A brief description of the issue.
  • Any photos or videos demonstrating the issue.

  • Customer Reviews

    Based on 6 reviews
    This fan is amazing

    i have zero complaints over my fan/ filter combo. i only use ac infinity fans and they work as advertised. dont forget to pair it with a controller 67