SKU: 98147639585

AC Infinity Air Filter Box w/ High Efficacy Filter 4-Inch

Sale price$107.10 Regular price$119.00
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

AC Infinity Air Filter Box w/ High Efficacy Filter 4-InchDescription A duct filter box designed for use with inline fans to circulate fresh air and block dust and odors. Built with 1mm thick cold rolled steel and aluminum duct flanges, able to withstand extreme weather. Specifications Product Identification Manufacturer: AC Infinity Inc. Product Name: Air Filter Box 4" Product Model: AC AFB4 UPC Code: 819137021693 Product and Mounting Dimensions Duct Opening Size: 3. 81 in. (9. 7 cm) Total Dimensions: 23.

Description
  • A duct filter box designed for use with inline fans to circulate fresh air and block dust and odors.
  • Built with 1mm thick cold-rolled steel and aluminum duct flanges, able to withstand extreme weather.
  • Specifications
  • Product Identification
  • Manufacturer: AC Infinity Inc.
  • Product Name: Air Filter Box 4"
  • Product Model: AC-AFB4
  • UPC Code: 819137021693
  • Product and Mounting Dimensions
  • Duct Opening Size: 3.81 in. (9.7 cm)
  • Total Dimensions: 23.46 x 8.42 x 11.73 in. (59.6 x 21.4 x 29.8 cm)
  • Flange Size: 3.21 in. (8.2 cm)
  • Box Material: Steel
  • Flange Material: Aluminum
  • Finish: Matte Black
  • Filter Size: Accepts 12 x 20 x 1
  • Minimum Airflow Range: 80-120 CFM
  • Maximum Airflow: 400 CFM
  • Compatible Fan Models: CLOUDLINE S4, CLOUDLINE T4
  • Data Sheets
  • Download the user manual: here
  • Kit Contents
  • a standard high efficacy filter that traps particles like dust
  • dirt
  • lint
  • and odor.
  • 23.46 x 8.42 x 11.73" | Fits 4" Inline Fans | 400 CFM Maximum | Accepts 12 x 20 x 1" Filters
  • Product Description: A whole-house air filtration system designed for use with inline duct fans such as the CLOUDLINE Series, to circulate fresh air by blocking particles like dust and dirt from entering your home in intake applications. Each air filter box is built using 1mm thick cold-rolled steel and finished with matte black powder coating. This outer body build comes together with aluminum duct flanges to create a sturdy build capable of withstanding inclement weather. Its low-maintenance design features a hinge-sealed door equipped with a slide lock that provides easy access to the inner chamber. The door is lined with a soft neoprene layer that keeps the filter in place, and dust from seeping inside.
  • Applications: Each air filter box accepts standard MERV filter replacements that slide into the inner chamber's filter slot. Comes included with a high-efficacy pleated air filter, capable of trapping 0.3-1.0 micron-sized particles such as:
  • Dust
  • Odor
  • The duct flanges fit with matching sized 4" inline fans and enable a streamlined installation to create high efficiency filtration in HVAC and grow applications. Attaching the air filter box in the starting end of your ductwork will dramatically reduce suspending particles in the air inside your home. Use with a high static pressure fan like the CLOUDLINE Series of duct fans is highly recommended to ensure maximum filtration.
  • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 98147639585

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    Based on 8 reviews
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    Fe Oyekola
    Lexington, US
    ★★★★★ 5
    Very good for sublimation
    Size: 8.5"x11"
    Intact and very good for my sublimation
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 25, 2026
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    Tasha
    Los Angeles, US
    ★★★★★ 5
    Great paper and beginner friendly
    Size: 8.5"x11"
    I Really like using this A-Sub paper
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 8, 2026
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    Jon
    Belleville, US
    ★★★★★ 4
    Works
    Size: 8.5"x11"
    Works great for sublimation. Get plenty of sheets. Great value for the price. The paper is pretty thick and seems to hold a good amount of ink without smearing.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 9, 2026
    M
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    Miss Washington Creates
    Lowell, US
    ★★★★★ 5
    My go-to sublimation paper for crafting
    Size: 8.5"x11"
    I've used several sublimation papers, and this one has worked really well for my crafting projects. The colors transfer bright and vibrant, and the images come out crisp with good detail when using the proper sublimation printer and ink. The paper feeds smoothly through my printer and feels like a good quality weight—not too thin and not overly thick. I've used it for tumblers, keychains, and other sublimation projects, and I've been happy with the results. I also appreciate getting 110 sheets in one pack because it lasts a while, especially when working on multiple projects at once. Overall, this is a reliable sublimation paper that gives consistent results and is great for crafters or small business owners.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 31, 2026
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    Al Brunelle
    Los Angeles, US
    ★★★★★ 5
    ⭐️⭐️⭐️⭐️⭐️ Easy to use and produces vibrant prints
    This Hiipoo sublimation ink has been a fantastic upgrade for my EcoTank printer. The autofill bottles fit perfectly into the ink tanks - no syringes, no mess, and no wasted ink. Refilling is quick and hassle-free, which makes the whole process so much easier. The print quality is excellent. Colors come out bright, vivid, and crisp with great saturation and no fading. It transfers beautifully onto mugs, T-shirts, and tumblers, drying fast without smudges. I really appreciate that it works ICC-free, yet still delivers professional results. The ink is certified and feels reliable, and I’ve had zero clogging issues. Overall, this is a high-quality, easy-to-use sublimation ink that’s perfect for both hobby projects and small business use. Definitely recommend for anyone doing heat transfer printing.
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    Reviewed in the United States on September 15, 2025

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