--- product_id: 457703749 title: "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" brand: "ac infinity" price: "R582" currency: ZAR in_stock: true reviews_count: 13 category: "Ac Infinity" url: https://www.desertcart.co.za/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler-stainless store_origin: ZA region: South Africa --- # Noise-absorbing sound wave reduction Adjustable stainless steel worm-drive clamps 4-inch flexible rubber coupling 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 **Brand:** ac infinity **Price:** R582 **Availability:** ✅ In Stock ## Summary > 🔇 Lock in silence, unlock peak performance. ## Quick Answers - **What is this?** 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 by ac infinity - **How much does it cost?** R582 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler-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 - • **Airtight Security:** Stainless steel clamps with worm-drive locks ensure zero air leaks. - • **Seamless 4-Inch Fit:** Perfectly pairs inline fans and carbon filters for HVAC and grow rooms. - • **Silent Operation Boost:** Minimizes fan vibration noise for a quieter environment. - • **Effortless Installation:** Flexible design slips over duct ports easily, no airflow obstruction. - • **Industrial-Grade Durability:** Heavy-duty nitrile rubber resists wear while maintaining flexibility. ## Overview The AC Infinity Noise Reduction Coupler is a 4-inch flexible nitrile rubber duct connector designed for HVAC and grow room setups. Featuring adjustable stainless steel worm-drive clamps, it creates an airtight seal that prevents air leaks while absorbing fan vibration noise. Its durable matte black construction ensures long-lasting performance without obstructing airflow, making it a top choice for professionals seeking quiet, efficient ventilation. ## Description 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 - desertcart.com Review: great clamp for grow room exhaust - Not sure on the noise reduction portion but its a solid clamp and works well connecting my exhaust fan and the charcoal filter. been sitting solid for a few months now and unless the fan is running at 80% or higher you don't hear anything in the room or while walking past it. It doesn't obstruct the airflow and I feel like its pretty durable and will outlast my filter. Review: Solid product that helps with noise cancellation. - Another good quality product from AC infinity. I used this to connect my inline fan to the filter and silencer and outlet. ## 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 | #11,150 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in HVAC Ducting | | Brand Name | AC Infinity | | Color | Matte Black | | Customer Reviews | 4.7 4.7 out of 5 stars (967) | | Manufacturer | AC Infinity | | Material Type | Nitrile Rubber | | 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 ![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 - Image 1](https://m.media-amazon.com/images/I/51V8l10uctL.jpg) ## Available Options This product comes in different **Size** options. ## 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 ### ⭐⭐⭐⭐⭐ great clamp for grow room exhaust *by W***L on December 30, 2025* Not sure on the noise reduction portion but its a solid clamp and works well connecting my exhaust fan and the charcoal filter. been sitting solid for a few months now and unless the fan is running at 80% or higher you don't hear anything in the room or while walking past it. It doesn't obstruct the airflow and I feel like its pretty durable and will outlast my filter. ### ⭐⭐⭐⭐⭐ Solid product that helps with noise cancellation. *by S***B on February 24, 2026* Another good quality product from AC infinity. I used this to connect my inline fan to the filter and silencer and outlet. ### ⭐⭐⭐⭐⭐ Worth every penny! *by J***. on February 3, 2026* A MUST have to connect filter and fan!! Never again will I use duct tape!!! Took forever to get the already sealed tape off my filter/fan. Clamp was easy to install & fits like a glove. And it definitely reduces noise! It's not going to silence the fan; But I can definitely tell a "significant" difference! Can turn the fan up higher before hearing it as much, and even then it's still quieter than before. ## 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.co.za/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler-stainless](https://www.desertcart.co.za/products/457703749-ac-infinity-noise-reduction-clamp-4-inch-duct-coupler-stainless) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-04-25*