AC INFINITY Inline Filter Box – High Efficiency Air Filtration for HVAC & Grow Rooms

Upgrade your air filtration system with this 4-inch Inline Filter Box, designed for HVAC ventilation, grow rooms, and fresh air intake applications. Engineered for high efficiency, this filtration unit blocks dust, dirt, lint, and odors from entering your home or indoor growing environment. Whether you're improving your household air quality or ensuring a clean grow room setup, this inline air filter box delivers superior performance.

KEY FEATURES & BENEFITS

✔ High-Efficiency Filtration: Includes a pleated MERV-rated filter capable of trapping 0.3-1.0 micron-sized particles, such as dust, dirt, lint, and odors, ensuring cleaner, healthier air.
✔ Whole-House & Grow Room Ventilation: Ideal for HVAC systems, fresh air intake, and hydroponic grow rooms, helping to remove airborne contaminants and improve overall air quality.
✔ Durable & Weather-Resistant Construction: Built with 1mm thick cold-rolled steel and aluminum duct flanges, this filter box withstands extreme temperatures and moisture, ensuring longevity in both indoor and outdoor setups.
✔ Optimized for Inline Duct Fans: Designed to fit 4-inch inline fans with up to 400 CFM airflow capacity, providing maximum filtration and ventilation performance.
✔ Easy Filter Replacement: The slide-lock access door and soft neoprene dust seal keep contaminants out while allowing for quick and hassle-free filter changes.
✔ Improves Indoor Air Quality – When paired with a high-static pressure fan, this filter box purifies incoming air while reducing dust buildup, odors, and airborne particles, creating a cleaner and fresher environment.

PERFECT FOR

✔ HVAC systems – Improves whole-house air circulation and filtration
✔ Grow tents & hydroponic setups – Prevents dust and contaminants from affecting plants
✔ Workshops & garages – Helps filter welding fumes, sawdust, and debris
✔ Commercial and industrial spaces – Enhances air quality in warehouses, offices, and storage areas

PRODUCT SPECIFICATIONS

Dimensions: 23.46” x 8.42” x 11.73”
Fits: 4” inline duct fans
Max Airflow: 400 CFM
Filter Size: Accepts standard 12” x 20” x 1” MERV filters
Application: HVAC, fresh air intake, grow rooms, workshops, and more

Upgrade your ventilation system today with this 4-inch inline filter box and enjoy cleaner, fresher air in your home or grow room. Order now and experience the difference in air quality!

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Most of our orders are processed 24 hours from the time placed. All orders are subject to processing time that is separate and apart from the time it takes for a shipment to reach its destination once it has been picked up from our fulfillment center by the applicable carrier. Depending on a number of factors, standard domestic and international orders may take up to 2 business days (excluding Saturdays, Sundays, and Holidays) to process.

After your payment is authorized and verified, standard orders will process the same day (excluding weekends & holidays) but it might take up to 2 business days to process depending on the location and type of order.

The estimated timelines for processing, transit, and final delivery are included below for your reference:

1) Free Delivery Promo: All orders regardless of the amount until further notice.

2) Expedited Delivery (2-4 Days)

3) Premium Delivery (4-6 Days)

4) Flex Delivery (7-10 Days)

Please note that orders to US destinations may take 8-14 business days from the date that it is shipped out, not necessarily from the date that it is placed, depending on the shipping method selected and final destination of the order. After your order has been shipped, you will receive an email with tracking information.