--- product_id: 424640603 title: "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: "€ 137.31" currency: EUR in_stock: false url: https://www.desertcart.at/products/424640603-inline-filter-box-with-merv-13-filter-whole-house-hvac store_origin: AT region: Austria --- # MERV 13 high-efficiency filter 800 CFM max airflow 1mm cold-rolled steel durability 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:** € 137.31 **Availability:** ❌ Out of Stock ## Summary > 🌿 Elevate your air game—because fresh air is the new luxury. ## Quick Answers - **What is this?** 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?** € 137.31 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/424640603-inline-filter-box-with-merv-13-filter-whole-house-hvac) ## 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:** Designed to fit 6” inline fans like the CLOUDLINE Series for streamlined installation and optimized airflow up to 800 CFM. - • **Effortless Maintenance:** Slide-lock door with neoprene seal offers quick, dust-free filter swaps—keeping your air fresh without the hassle. - • **Built to Brave the Elements:** Rugged 1mm cold-rolled steel & aluminum flanges ensure weatherproof resilience for year-round performance. - • **Breathe Cleaner, Live Better:** MERV 13 filter traps microscopic particles down to 0.3 microns—dust, dirt, lint, and odors don’t stand a chance. - • **Whole-House Freshness Upgrade:** Install at your duct intake to dramatically reduce airborne particles and elevate your home’s air quality instantly. ## Overview The AC Infinity Inline Filter Box is a robust whole-house HVAC filtration solution featuring a durable 1mm cold-rolled steel body with aluminum flanges, designed to fit 6-inch inline fans. Equipped with a high-efficiency MERV 13 filter, it captures particles as small as 0.3 microns, ensuring cleaner air circulation up to 800 CFM. Its slide-lock door with a neoprene seal allows easy, dust-free filter changes, making it an essential upgrade for professionals seeking superior indoor air quality and streamlined ventilation. ## 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 ## 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 | #59,805 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Furnace Filters | | Brand Name | AC Infinity | | Compatible Devices | AC Infinity CLOUDLINE Series inline duct fans | | Compatible Hvac Systems | residential | | Customer Reviews | 4.6 4.6 out of 5 stars (287) | | 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 | | Manufacturer | AC Infinity | | Manufacturer Part Number | AC-AFB | | Material Type | Alloy Steel, Aluminum, Neoprene | | Model Number | AC-AFB6 | | Number of Items | 1 | | Number of Packs | 1 | | Product Grade | like new | | UPC | 819137021709 | | Unit Count | 1 Count | ## Product Details - **Brand:** AC Infinity - **Compatible devices:** AC Infinity CLOUDLINE Series inline duct fans - **MERV rating:** 13 - **Material:** Alloy Steel, Aluminum, Neoprene - **Product dimensions:** 59.6L x 21.4W x 29.8Th centimeters ## Images ![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) ## Available Options This product comes in different **Size, Style** options. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/424640603-inline-filter-box-with-merv-13-filter-whole-house-hvac](https://www.desertcart.at/products/424640603-inline-filter-box-with-merv-13-filter-whole-house-hvac) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-10-14*