AC Infinity 4" Inline Filter Box with High Efficiency Filter, Whole House HVAC Filter Kit, Fits 4" Inline Duct Fans for Fresh Air Intake and Ventilation
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AC Infinity 4" Inline Filter Box with High Efficiency Filter, Whole House HVAC Filter Kit, Fits 4" Inline Duct Fans for Fresh Air Intake and Ventilation

4.6/5
Product ID: 733392801
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Details

  • Brand
    AC Infinity
  • Material
    Alloy Steel
  • MERV Rating
    13
  • Compatible Devices
    CLOUDLINE S4
  • Item Weight
    6.42 Kilograms
  • UPC
    819137021693
⚙️1mm cold-rolled steel & aluminum build
🌬️Supports up to 400 CFM airflow
🛡️MERV 13 high-efficiency filter

Description

🌿 Breathe smarter, live better — upgrade your air game now!

  • ADVANCED AIR PURIFICATION - MERV 13 filter traps viruses, pollen, dust & mold for cleaner, healthier air.
  • SEAMLESS MAINTENANCE ACCESS - Sliding lock door with neoprene seal offers quick, dust-free filter changes without hassle.
  • WHOLE HOUSE FRESH AIR SOLUTION - Integrates easily with HVAC systems to elevate your indoor air quality and comfort.
  • OPTIMIZED AIRFLOW COMPATIBILITY - Perfectly fits 4" inline duct fans and supports up to 400 CFM for efficient ventilation.
  • DURABLE WEATHER RESISTANT DESIGN - Robust 1mm cold-rolled steel and aluminum flanges ensure long-lasting performance in any climate.

The AC Infinity 4" Inline Filter Box is a premium HVAC accessory designed to fit 4" inline duct fans, supporting up to 400 CFM airflow. Constructed from durable 1mm cold-rolled steel and aluminum, it features a high-efficiency MERV 13 filter that captures viruses, dust, pollen, and mold spores. Its sliding lock door with a neoprene seal ensures easy, dust-free maintenance, making it an essential upgrade for whole-house fresh air intake and superior ventilation.

Specifications

Brand NameAC Infinity
SelectAC-AFB4
Part NumberAC-AFB
Compatible DeviceCLOUDLINE S4, CLOUDLINE T4
MaterialAlloy Steel Aluminum
Batteries IncludedNo
Batteries Required?No
Item Dimensions L x W x H23 x 12 x 8 mm
Item Weight6.42 Kilograms

Have a Question? See What Others Asked

what filter fits perfect in the 4" filter box?
What filter replacement is suggested for the 6" filter box? standard 20x12x1 does not fit.
Do the filters trap smoke from pipes or pollen and mildew?
Can I use a MERV 17 or HEPA filter instead of a MEV13 filter for additional filtration if they will even fit?

Common Questions

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Ac Infinity 4 Inline Filter Box With High Efficiency Filter | Desertcart Thailand