--- product_id: 173644462 title: "Air Duct Screen and Carbon Filter for 4 inch Air Ducts, Vents, Grow tents, or fresh air intakes; Pre-filtration for light duty odors and dust; Atomic Innovations" brand: "atomic innovations" price: "€ 36.80" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.gr/products/173644462-air-duct-screen-and-carbon-filter-for-4-inch-air store_origin: GR region: Greece --- # MERV 4 carbon filter for particles & odors Dual-layer high airflow design Rigid weather-resistant ASA polymer frame Air Duct Screen and Carbon Filter for 4 inch Air Ducts, Vents, Grow tents, or fresh air intakes; Pre-filtration for light duty odors and dust; Atomic Innovations **Brand:** atomic innovations **Price:** € 36.80 **Availability:** βœ… In Stock ## Summary > 🌿 Filter smarter, not harder β€” breathe fresher, live better! ## Quick Answers - **What is this?** Air Duct Screen and Carbon Filter for 4 inch Air Ducts, Vents, Grow tents, or fresh air intakes; Pre-filtration for light duty odors and dust; Atomic Innovations by atomic innovations - **How much does it cost?** € 36.80 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/173644462-air-duct-screen-and-carbon-filter-for-4-inch-air) ## Best For - atomic innovations enthusiasts ## Why This Product - Trusted atomic innovations brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Breathe Easy, Work Smart:** Dual-layer mesh and carbon filter ensure optimal airflow while blocking dust and light odors. - β€’ **Built to Last, Made in USA:** Durable ASA polymer frame resists weather and wear, perfect for long-term use in any environment. - β€’ **Versatile Fresh Air Solution:** Ideal for grow tents, greenhouses, and small shops needing reliable pre-filtration without airflow compromise. - β€’ **Precision Fit for 4-Inch Ducts:** Engineered with a 3.95-inch insert diameter for seamless installation in standard air ducts and vents. - β€’ **Effortless Installation & Maintenance:** Clamp or tape on easily; lightweight design (1.12 oz) means hassle-free handling and replacement. ## Overview The Atomic Innovations Air Duct Screen and Carbon Filter is a dual-layer pre-filter designed for 4-inch air ducts, combining a fiber mesh screen with a MERV 4 rated carbon filter to reduce dust, small particles, and light odors. Featuring a rigid, weather-resistant ASA polymer frame and precision sizing, it’s made in the USA for reliable, long-lasting performance in grow tents, greenhouses, and light-duty ventilation systems. ## Description Made in USA. This fiber screen + carbon filter fits perfectly into 4 inch diameter air ducts. Unit has an outer insertable diameter of 3.95 inches with a short faceplate of 4.21 inches. It will prevent small objects and particles from entering your duct system. Carbon filter layer has an estimated MERV 4 rating and will also reduce some odors. Rigid polymer frame is weather resistant. Works well with greenhouses, small shops, and other light duty filtering applications where small objects, particles, and odors are a nuisance. Easily secured at intake with duct tape or hose clamp (not included). Disclaimer: This product is not intended for use with hazardous gases. Max Temperature 180 F. Product works best in duct systems located near the fan/blower and may not allow sufficient airflow if used in conjunction with very low powered fans/blowers. Actual filter MERV rating may vary. A portion of this product is 3D printed and may show layer lines or cosmetic imperfections that will not affect product function. ## Features - Dual layer high air flow design for 4 inch air ducts - Fiber Screen layer to prevent small objects from passing through - Carbon filter layer with an estimated MERV 4 rating for particle filtration and light duty odor reduction - Has a rigid weather resistant ASA polymer frame - Made in USA ## Technical Specifications | Specification | Value | |---------------|-------| | Air Filter Construction | Mesh, Rigid Cell | | Asin | B081QW6R88 | | Best Sellers Rank | #87,461 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #149 in HVAC Ducting | | Brand Name | Atomic Innovations | | Common Applications | Dust Reduction, Odor Reduction, Particle Reduction | | Compatible Devices | 4 inch air ducts, 4 inch air vents, Grow Tents | | Compatible Hvac Systems | residential | | Customer Reviews | 4.4 4.4 out of 5 stars (658) 4.4 out of 5 stars | | Filter Mounting Type | Clamp On | | Filter Shape | Round | | Included Components | 1 Air Duct Screen and Carbon Filter 4 inch Unit | | Item Dimensions L X W X Thickness | 4.21"L x 4.21"W x 1.3"Th | | Item Weight | 1.12 ounces | | Manufacturer | Atomic Innovations | | Manufacturer Part Number | Aii0014-2 | | Material Type | Activated Carbon Impregnated Polyester, Polymer | | Max Temperature | 180 Β°F | | Merv Rating | 4 | | Model Number | Aii1234 | | Number Of Items | 1 | | Number Of Packs | 1 | | Product Grade | new | | Unit Count | 1 Count | | Warranty Description | See manufacturer's website | ## Product Details - **Air Filter Construction:** Panel - **Brand:** Atomic Innovations - **Compatible Devices:** 4 inch air ducts, 4 inch air vents, Grow Tents - **Filter Mounting Type:** Clamp On - **Item Weight:** 1.12 ounces - **MERV Rating:** 4 - **Material:** Activated Carbon Impregnated Polyester, Polymer - **Max Temperature:** 180 Degrees Fahrenheit - **Number of Items:** 1 - **Product Dimensions:** 4.21"L x 4.21"W x 1.3"Th ## Images ![Air Duct Screen and Carbon Filter for 4 inch Air Ducts, Vents, Grow tents, or fresh air intakes; Pre-filtration for light duty odors and dust; Atomic Innovations - Image 1](https://m.media-amazon.com/images/I/817ZZeL4uaL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by on Reviewed in the United States December 2, 2025* Does its job, filters my incoming air pretty good ### ⭐⭐⭐⭐⭐ Simple, Fits Well, Made in the USA *by on Reviewed in the United States July 10, 2026* Simple, great design, slots easily and snugly right over my duct fan to keep dust and debris from getting sucked in, and made in the USA. Can't ask for more than that. ### ⭐⭐⭐⭐⭐ Great as Pre-Filter for Box Filters *by on Reviewed in the United States November 9, 2025* Used as pre-filter on my fresh air intake system (Merv 13 filter box & duct fan).Fit perfectly inside 4” flex duct which was attached to wall penetrated vent duct. Plan to clean and reuse. ## Frequently Bought Together - Air Duct Screen and Carbon Filter for 4 Inch Ducts; Atomic Innovations - AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust - Hon&Guan 4 Inch Inline Booster Duct Fan with Speed Controller - 130 CFM Airflow with 6W Ultra-Low Power and Low Noise --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/173644462-air-duct-screen-and-carbon-filter-for-4-inch-air](https://www.desertcart.gr/products/173644462-air-duct-screen-and-carbon-filter-for-4-inch-air) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-01*