---
product_id: 424640603
title: "AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch)"
brand: "ac infinity"
price: "$741.59"
currency: USD
in_stock: true
reviews_count: 5
url: https://www.desertcart.us/products/424640603-ac-infinity-inline-filter-box-with-merv-13-filter-whole
store_origin: US
region: United States of America
---

# MERV 13 high-efficiency filter 800 CFM max airflow 1mm cold-rolled steel build AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch)

**Brand:** ac infinity
**Price:** $741.59
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your air game—because fresh air is the new luxury.

## Quick Answers

- **What is this?** AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) by ac infinity
- **How much does it cost?** $741.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/424640603-ac-infinity-inline-filter-box-with-merv-13-filter-whole)

## Best For

- ac infinity enthusiasts

## Why This Product

- Trusted ac infinity brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Integration:** Fits perfectly with 6” inline fans like AC Infinity CLOUDLINE Series for optimized whole-house ventilation.
- • **Effortless Maintenance:** Slide lock door with neoprene seal offers quick, dust-free filter swaps without hassle.
- • **Breathe Cleaner, Live Better:** MERV 13 filter traps 0.3-1.0 micron particles—dust, dirt, lint, and odors—ensuring fresher indoor air.
- • **Built to Last, Designed to Perform:** Rugged 1mm cold-rolled steel and aluminum flanges withstand extreme weather and daily wear.
- • **Maximize Airflow, Minimize Worries:** Supports up to 800 CFM airflow, balancing powerful ventilation with superior filtration.

## Overview

The AC Infinity Inline Filter Box is a robust whole-house HVAC filtration solution featuring a durable 1mm cold-rolled steel body and aluminum flanges. Designed to fit 6-inch inline duct fans, it supports up to 800 CFM airflow and includes a MERV 13 pleated filter that captures fine particles and odors. Its slide lock door with neoprene seal ensures easy, dust-free filter changes, making it ideal for professionals seeking efficient, low-maintenance air quality upgrades.

## 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. Slide lock door gives easy access to inner chamber while soft neoprene layer creates dust-free seal. Includes a standard high efficacy filter that traps particles like dust, dirt, lint, and odor. 23.46 x 8.42 x 11.73” | Fits 6” Inline Fans | 800 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 Dirt Lint Odor The duct flanges fit with matching sized 6” 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. Product Identification Manufacturer AC Infinity Inc. Product Name Air Filter Box 6" Product Model AC-AFB6 UPC Code 819137021709 Product and Mounting Dimensions Duct Opening Size 5.78 in. (14.7 cm) Total Dimensions 23.46 x 8.42 x 11.73 in. (59.6 x 21.4 x 29.8 cm) Flange Length 3.21 in. (8.2 cm) Product Performance and Technical Specs Box Material Steel Flange Material Aluminum Finish Matte Black Filter Size Accepts 12 x 20 x 1” Minimum Airflow Range 182-272 CFM Maximum Airflow 800 CFM Compatible Fan Models CLOUDLINE S6, CLOUDLINE T6 Product Manual Product Manual PDF

Review: Merv Filter Box - Keine Pollen vom Nachbarn mehr , die meine Pflanzen Samen lassen. Wirkt auf den ersten Blick sehr gut verarbeitet. Es ist mein erstes Produkt von AC Infinitiv und ich bin überrascht wie gut es ist.
Review: Good solid Construction - This filter box is a good solid construction and well made and works a treat.

## Features

- 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.
- Slide lock door gives easy access to inner chamber while soft neoprene layer creates dust-free seal.
- Includes a standard high efficacy filter that traps particles like dust, dirt, lint, and odor.
- 23.46 x 8.42 x 11.73” | Fits 6” Inline Fans | 800 CFM Maximum | Accepts 12 x 20 x 1” Filters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0921XRFLX |
| Best Sellers Rank | #30,360 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Furnace Filters |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Compatible Devices | AC Infinity CLOUDLINE Series inline duct fans |
| Compatible Hvac Systems | residential |
| Compatible devices | AC Infinity CLOUDLINE Series inline duct fans |
| Customer Reviews | 4.6 out of 5 stars 281 Reviews |
| Filter Mounting Type | Slide In |
| Filter Shape | Rectangular |
| Item Dimensions L x W x Thickness | 59.6L x 21.4W x 29.8Th centimeters |
| MERV Rating | 13 |
| MERV rating | 13 |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | AC-AFB |
| Material | Cold-rolled steel, Aluminum |
| Material Type | Cold-rolled steel, Aluminum |
| Model Number | AC-AFB6 |
| Number of Items | 1 |
| Product Grade | like new |
| Product dimensions | 59.6L x 21.4W x 29.8Th centimeters |
| UPC | 819137021709 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** AC Infinity
- **Compatible devices:** AC Infinity CLOUDLINE Series inline duct fans
- **MERV rating:** 13
- **Material:** Cold-rolled steel, Aluminum
- **Product dimensions:** 59.6L x 21.4W x 29.8Th centimeters

## Images

![AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) - Image 1](https://m.media-amazon.com/images/I/51ZtOdXVjiL.jpg)
![AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) - Image 2](https://m.media-amazon.com/images/I/51keHQnx4lL.jpg)
![AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) - Image 3](https://m.media-amazon.com/images/I/51NyArbfr0S.jpg)
![AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) - Image 4](https://m.media-amazon.com/images/I/61yP1T29OcL.jpg)
![AC Infinity Inline Filter Box with MERV 13 Filter, Whole House HVAC Filtration Kit, Fits Inline Duct Fans for Fresh Air Intake and Ventilation (6-Inch) - Image 5](https://m.media-amazon.com/images/I/61eR-OdTnqL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Merv Filter Box
*by O***S on 14 October 2025*

Keine Pollen vom Nachbarn mehr , die meine Pflanzen Samen lassen. Wirkt auf den ersten Blick sehr gut verarbeitet. Es ist mein erstes Produkt von AC Infinitiv und ich bin überrascht wie gut es ist.

### ⭐⭐⭐⭐⭐ Good solid Construction
*by A***S on 14 June 2026*

This filter box is a good solid construction and well made and works a treat.

### ⭐⭐⭐⭐⭐ Robust, easy installation
*by R***B on 17 February 2026*

Brilliant noise reduction. Very efficient at dust partical collection with it's diagonal filter design

## Frequently Bought Together

- AC Infinity Inline Filter Box 6" with High Efficacy Filter, Whole House HVAC Filtration Kit, Fits 6-Inch Inline Duct Fans for Fresh Air Intake and Ventilation
- AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity CLOUDLINE PRO S6, Quiet 6” Inline Duct Fan with Speed Controller - EC Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-13*