--- product_id: 457703749 title: "AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler." brand: "ac infinity" price: "26941CFA" currency: XOF in_stock: true reviews_count: 13 category: "Ac Infinity" url: https://www.desertcart.sn/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler store_origin: SN region: Senegal --- # Noise reduction tech Airtight stainless clamps Durable matte black rubber AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. **Brand:** ac infinity **Price:** 26941CFA **Availability:** ✅ In Stock ## Summary > 🔇 Seal the silence, lock the airflow — upgrade your duct game now! ## Quick Answers - **What is this?** AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. by ac infinity - **How much does it cost?** 26941CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler) ## 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 - • **Rock-Solid Seal:** Adjustable stainless steel worm-drive clamps lock in airtight protection. - • **Universal 4-Inch Fit:** Seamlessly couples inline fans and carbon filters in HVAC and grow setups. - • **Flexible Yet Heavy-Duty:** Premium nitrile rubber flexes to fit while resisting wear and tear. - • **Pro-Grade Build Quality:** Sleek matte black finish with embossed branding for a professional look. - • **Whisper-Quiet Performance:** Cut fan and airflow noise with advanced vibration absorption. ## Overview The AC Infinity Noise Reduction Clamp 4-Inch is a premium flexible rubber duct coupler designed to securely connect inline fans and carbon filters while minimizing noise and air leaks. Featuring heavy-duty nitrile rubber construction and adjustable stainless steel worm-drive clamps, it ensures an airtight, vibration-absorbing seal ideal for HVAC and indoor growing environments. This matte black industrial-grade clamp delivers professional-grade durability and a universal 4-inch fit, making it a must-have upgrade for quieter, more efficient ventilation systems. ## Description AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. | Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - desertcart.com Review: 5/5 Stars: The Perfect Upgrade for a Quiet and Sealed System! - If you are looking to optimize your ventilation setup, the AC Infinity Noise Reduction Clamp 6-Inch is an absolute must-have. This duct coupler acts as a flexible rubber coupling specifically designed for connecting inline fans and carbon filters. It has been a phenomenal addition to my AC Infinity ecosystem, ensuring my indoor growing environment stays perfectly dialed in and operates smoothly. ​Premium Build Quality ​Right out of the packaging, you can tell this is a high-quality piece of gear. ​Heavy-Duty Materials: The thick, flexible rubber feels incredibly durable and features the "AC INFINITY" logo sleekly embossed right on the side. ​Secure Hardware: It comes equipped with rugged stainless steel clamps. ​Precise Tolerances: The metal bands feature precise size markings like "141-165", ensuring you know exactly what tolerances you are working with when tightening down the system. ​Internal Padding: The inside of the clamp features a dense, protective foam layer that helps ensure a snug, insulated, and flush fit against your equipment. ​Flawless Performance ​This specific model, the AC-RCA6, delivers exactly what it promises on the packaging. ​Noise Reduction: By decoupling the rigid connections between the fan and the filter, it functions perfectly as a "NOISE REDUCTION CLAMP" to significantly cut down on vibration and operational humming. ​Airtight Grip: The clamp provides an incredibly secure hold, which is critical for maintaining "SEALED PROTECTION" and preventing any untreated, odorous air from leaking out of the exhaust system. ​Universal Compatibility: It effortlessly bridges the gap between different 6-inch components, living up to its claim of providing a "VERSATILE FIT" for both growing environments and general HVAC applications. ​Final Verdict: For the price point, this is a no-brainer upgrade. The presentation is professional, arriving in a sleek black bag clearly branded with the AC Infinity logo. If you want to eliminate air leaks, reduce the decibel levels of your exhaust line, and seamlessly integrate components, look no further! Review: Good quality - These work great and they are reasonably priced ## Features - Rubber pipe coupling designed to securely pair ducted components together while preventing air leaks. - Matte black rubber construction is flexible, heavy-duty, and can easily fit over duct ports and piping. - Minimizes noise by absorbing sound waves from fan vibrations and airflow traveling through ductwork. - Creates an airtight seal and hold using adjustable stainless steel hose clamps with worm drive locks. - 4 inch coupler fits inline fans and carbon filters with solid duct ports in growing and HVAC settings. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B6JPT3BB | | Best Sellers Rank | #10,721 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in HVAC Ducting | | Brand | AC Infinity | | Brand Name | AC Infinity | | Color | Matte Black | | Customer Reviews | 4.7 out of 5 stars 1,055 Reviews | | Item Diameter | 4 inches | | Item Highlight | Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC Item Highlight Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC See more | | Manufacturer | AC Infinity | | Material | Nitrile Rubber | | Material Type | Nitrile Rubber | | Number of Items | 1 | | Number of Packs | 1 | | Style | Industrial | | Style Name | Industrial | | UPC | 819137023529 | | Unit Count | 1 Count | ## Product Details - **Brand:** AC Infinity - **Color:** Matte Black - **Manufacturer:** AC Infinity - **Material:** Nitrile Rubber - **Style:** Industrial - **UPC:** 819137023529 ## Images ![AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. - Image 1](https://m.media-amazon.com/images/I/51V8l10uctL.jpg) ![AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. - Image 2](https://m.media-amazon.com/images/I/71fzSZUHiKL.jpg) ![AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. - Image 3](https://m.media-amazon.com/images/I/61j3MafabLL.jpg) ![AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. - Image 4](https://m.media-amazon.com/images/I/61KjIA7mtfL.jpg) ![AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler. - Image 5](https://m.media-amazon.com/images/I/61fOn5nHDhL.jpg) ## Questions & Answers **Q: I see the inside diameter, but what is the width?** A: About 3” **Q: what is ID and OD?** A: Inner dimension & Outter dimension **Q: Do they make them for 10 inch fans?** A: Yes they do, Cloudline T10 ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5/5 Stars: The Perfect Upgrade for a Quiet and Sealed System! *by M***N on June 20, 2026* If you are looking to optimize your ventilation setup, the AC Infinity Noise Reduction Clamp 6-Inch is an absolute must-have. This duct coupler acts as a flexible rubber coupling specifically designed for connecting inline fans and carbon filters. It has been a phenomenal addition to my AC Infinity ecosystem, ensuring my indoor growing environment stays perfectly dialed in and operates smoothly. ​Premium Build Quality ​Right out of the packaging, you can tell this is a high-quality piece of gear. ​Heavy-Duty Materials: The thick, flexible rubber feels incredibly durable and features the "AC INFINITY" logo sleekly embossed right on the side. ​Secure Hardware: It comes equipped with rugged stainless steel clamps. ​Precise Tolerances: The metal bands feature precise size markings like "141-165", ensuring you know exactly what tolerances you are working with when tightening down the system. ​Internal Padding: The inside of the clamp features a dense, protective foam layer that helps ensure a snug, insulated, and flush fit against your equipment. ​Flawless Performance ​This specific model, the AC-RCA6, delivers exactly what it promises on the packaging. ​Noise Reduction: By decoupling the rigid connections between the fan and the filter, it functions perfectly as a "NOISE REDUCTION CLAMP" to significantly cut down on vibration and operational humming. ​Airtight Grip: The clamp provides an incredibly secure hold, which is critical for maintaining "SEALED PROTECTION" and preventing any untreated, odorous air from leaking out of the exhaust system. ​Universal Compatibility: It effortlessly bridges the gap between different 6-inch components, living up to its claim of providing a "VERSATILE FIT" for both growing environments and general HVAC applications. ​Final Verdict: For the price point, this is a no-brainer upgrade. The presentation is professional, arriving in a sleek black bag clearly branded with the AC Infinity logo. If you want to eliminate air leaks, reduce the decibel levels of your exhaust line, and seamlessly integrate components, look no further! ### ⭐⭐⭐⭐⭐ Good quality *by R***S on August 14, 2026* These work great and they are reasonably priced ### ⭐⭐⭐⭐⭐ Really Nice. Extremely well made. Great product. Great Shipping. Great price. *by J***M on July 24, 2026* Really Nice. Extremely well made. Great product. Great Shipping. Great price. ## Frequently Bought Together - AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust - AC Infinity Air Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow Rooms --- ## 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.sn/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler](https://www.desertcart.sn/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-24*