--- product_id: 559089731 title: "AC Infinity Noise Reduction Clamp 4\", Duct Coupler & Stainless Steel Clamps" brand: "ac infinity" price: "₨8452" currency: LKR in_stock: false reviews_count: 5 url: https://www.desertcart.lk/products/559089731-ac-infinity-noise-reduction-clamp-4-duct-coupler-and-stainless store_origin: LK region: Sri Lanka --- # Noise reduction up to 30%+ Adjustable stainless steel worm drive clamps Airtight seal prevents airflow loss AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps **Brand:** ac infinity **Price:** ₨8452 **Availability:** ❌ Out of Stock ## Summary > 🔇 Lock in silence, seal in performance — the ultimate duct coupling upgrade! ## Quick Answers - **What is this?** AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps by ac infinity - **How much does it cost?** ₨8452 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/559089731-ac-infinity-noise-reduction-clamp-4-duct-coupler-and-stainless) ## 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 - • **Built to Last:** Heavy-duty matte black rubber resists wear and maintains performance in demanding HVAC and grow room setups. - • **Precision Fit:** Flexible nitrile rubber design ensures a snug, leak-proof connection on 4-inch duct ports. - • **Secure Lockdown:** Stainless steel worm drive clamps with ribbed grooves guarantee a firm, adjustable hold every time. - • **Silent Efficiency:** Rubber coupling absorbs fan vibrations and airflow noise for a whisper-quiet environment. - • **Effortless Installation:** Quick, tool-friendly setup that fits inline fans, carbon filters, and ductwork seamlessly. ## Overview The AC Infinity Noise Reduction Clamp 4" is a premium nitrile rubber duct coupler designed to create airtight seals while significantly reducing noise and vibration in HVAC and grow room systems. Featuring adjustable stainless steel worm drive clamps, this durable matte black clamp fits 4-inch duct ports, ensuring secure, leak-free connections for inline fans, carbon filters, and ductwork components. ## Description Product Description A 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. Applications This 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. ## 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 | #361,169 in Home Improvement (See Top 100 in Home Improvement) #7,208 in Pipe Fittings & Accessories | | Brand Name | AC Infinity | | Colour | Matte Black | | Country Of Publication | USA | | Customer Reviews | 4.8 4.8 out of 5 stars (312) 4.8 out of 5 stars | | Item Diameter | 10 Centimetres | | Item Highlight | Airtight Rubber Coupling, Reduces Vibration And Noise for Inline Fans, Carbon Filters, Grow Tents, HVAC Systems & Ductwork | | Manufacturer | AC Infinity | | Material Type | Nitrile Rubber | | Number Of Items | 1 | | Number Of Packs | 1 | | Style Name | Industrial | | Unit Count | 1.0 Count | | Upc | 819137023529 | ## Product Details - **Brand:** AC Infinity - **Colour:** Matte Black - **Item Diameter:** 10 Centimetres - **Material:** Nitrile Rubber - **Net Quantity:** 1.0 Count - **Number of Items:** 1 - **Number of Packs:** 1 - **Style:** Industrial - **UPC:** 819137023529 ## Images ![AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps - Image 1](https://m.media-amazon.com/images/I/51V8l10uctL.jpg) ![AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps - Image 2](https://m.media-amazon.com/images/I/71fzSZUHiKL.jpg) ![AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps - Image 3](https://m.media-amazon.com/images/I/61j3MafabLL.jpg) ![AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps - Image 4](https://m.media-amazon.com/images/I/61KjIA7mtfL.jpg) ![AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps - 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 ### ⭐⭐⭐⭐⭐ Boss seal *by on Reviewed in Canada 19 August 2026* I love this item just wish it came with the fan setup when I bought it seals like a boss ### ⭐⭐⭐⭐⭐ Cumple con su función *by on Reviewed in Mexico 21 October 2022* Sin ruido del filtro al extractor ### ⭐⭐⭐⭐⭐ sweet *by on Reviewed in the United Kingdom 29 August 2026* Excellent build quality, easy to use, does what it says on the tin. ## 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.lk/products/559089731-ac-infinity-noise-reduction-clamp-4-duct-coupler-and-stainless](https://www.desertcart.lk/products/559089731-ac-infinity-noise-reduction-clamp-4-duct-coupler-and-stainless) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-22*