--- product_id: 559089731 title: "Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC" brand: "ac infinity" price: "2071389₫" currency: VND in_stock: true reviews_count: 5 category: "Ac Infinity" url: https://www.desertcart.vn/products/559089731-noise-reduction-clamp-4-inch-duct-coupler-with-stainless-steel store_origin: VN region: Vietnam --- # Noise reduction tech Adjustable stainless steel clamps Flexible heavy-duty rubber Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC **Brand:** ac infinity **Price:** 2071389₫ **Availability:** ✅ In Stock ## Summary > 🔇 Lock in silence, seal in performance. ## Quick Answers - **What is this?** Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC by ac infinity - **How much does it cost?** 2071389₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/559089731-noise-reduction-clamp-4-inch-duct-coupler-with-stainless-steel) ## 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 - • **Custom Fit:** Adjustable stainless steel worm drive clamps ensure a secure, long-lasting connection. - • **Airtight Seal:** Flexible rubber coupling prevents air leaks, maximizing HVAC and grow room performance. - • **Durable Design:** Heavy-duty matte black rubber withstands wear while maintaining flexibility. - • **Silent Efficiency:** Absorbs fan vibrations and airflow noise for a whisper-quiet environment. - • **Effortless Installation:** Fits 4-inch inline fans and carbon filters with ease—no hassle, just reliable performance. ## Overview The AC Infinity Noise Reduction Clamp is a 4-inch flexible rubber duct coupler with adjustable stainless steel clamps designed to create an airtight, noise-minimizing connection for inline fans and carbon filters. Engineered for HVAC and grow room applications, it reduces airflow noise and vibration while ensuring a secure, leak-free fit. ## Description Product DescriptionA rubber clamp designed to connect duct ports with a secure and airtight grip to prevent any loss of airflow. The nitrile butadiene rubber structure fits smoothly over ports and piping thanks to its flexible and adaptable build. The heavy-duty rubber construction also suppresses noise and vibrations by absorbing sound waves, creating a quieter growing or HVAC environment. To ensure an even tighter connection, you can adjust the stainless-steel fasteners with worm drive locks, which are built into ribbed grooves along the rubber clamp to lock it in place. When using flexible couplings to attach ducted components, this rubber coupler guarantees an effortless installation and long-lasting fit.ApplicationsThis matte black coupler fits securely over ducting and piping components. Its durable rubber design prevents air leaks and reduces noise in grow rooms, grow tents, and HVAC settings. This simple and effective clamp provides the perfect support for ducting, carbon filters, inline fans, mounting grilles, dampers, and more. Review: Awesome product - i love this brand, you never go wrong with them, good quality products and always listening to their customers Review: Cumple con su función - Sin ruido del filtro al extractor ## 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 | #188,424 in Home Improvement ( See Top 100 in Home Improvement ) #3,681 in Pipe Fittings & Accessories | | Brand | AC Infinity | | Brand Name | AC Infinity | | Colour | Matte Black | | Country of Publication | USA | | Customer Reviews | 4.8 out of 5 stars 303 Reviews | | Manufacturer | AC Infinity | | Material | Nitrile Rubber | | Material Type | Nitrile Rubber | | Number of Packs | 1 | | Style | Industrial | | Style Name | Industrial | | UPC | 819137023529 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** AC Infinity - **Color:** Matte Black - **Manufacturer:** AC Infinity - **Material:** Nitrile Rubber - **Style:** Industrial - **UPC:** 819137023529 ## Images ![Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - Image 1](https://m.media-amazon.com/images/I/51V8l10uctL.jpg) ![Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - Image 2](https://m.media-amazon.com/images/I/71fzSZUHiKL.jpg) ![Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - Image 3](https://m.media-amazon.com/images/I/61j3MafabLL.jpg) ![Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - Image 4](https://m.media-amazon.com/images/I/61KjIA7mtfL.jpg) ![Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC - 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 ### ⭐⭐⭐⭐⭐ Awesome product *by S***. on 27 November 2024* i love this brand, you never go wrong with them, good quality products and always listening to their customers ### ⭐⭐⭐⭐⭐ Cumple con su función *by J***É on 21 October 2022* Sin ruido del filtro al extractor ### ⭐⭐⭐⭐⭐ Alles passend *by C***Y on 10 March 2026* Tut, was es soll. Endlich kein Aluklebeband mehr. Vibrationen auch etwas gedämpfter und dadurch ein wenig leiser. ## 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.vn/products/559089731-noise-reduction-clamp-4-inch-duct-coupler-with-stainless-steel](https://www.desertcart.vn/products/559089731-noise-reduction-clamp-4-inch-duct-coupler-with-stainless-steel) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*