--- product_id: 457703749 title: "AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch" brand: "ac infinity" price: "Β₯7451" currency: JPY in_stock: true category: "Ac Infinity" url: https://www.desertcart.jp/products/457703749-ac-infinity-noise-reduction-coupler-with-stainless-steel-clamps-4 store_origin: JP region: Japan --- # Noise reduction tech Adjustable stainless clamps Airtight rubber seal AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch **Brand:** ac infinity **Price:** Β₯7451 **Availability:** βœ… In Stock ## Summary > πŸ”‡ Clamp down on noise, not on style. ## Quick Answers - **What is this?** AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch by ac infinity - **How much does it cost?** Β₯7451 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/457703749-ac-infinity-noise-reduction-coupler-with-stainless-steel-clamps-4) ## 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 - β€’ **Lock It Down:** Heavy-duty stainless steel hose clamps with worm drive locks provide secure, adjustable fastening. - β€’ **Built to Last:** Industrial-grade materials guarantee durability and long-term performance in demanding environments. - β€’ **Custom Fit, Zero Leaks:** Flexible matte black nitrile rubber molds perfectly over 4" duct ports, ensuring an airtight seal. - β€’ **Silence Meets Strength:** Rubber coupling absorbs fan vibrations and airflow noise for a whisper-quiet environment. - β€’ **Versatile HVAC Essential:** Designed for inline fans, carbon filters, grow tents, and HVAC ductworkβ€”your all-in-one noise control solution. ## Overview The AC Infinity 4" Noise Reduction Clamp is a premium nitrile rubber duct coupler with adjustable stainless steel clamps, engineered to create an airtight seal while significantly reducing fan and airflow noise. Ideal for inline fans, carbon filters, grow tents, and HVAC systems, it combines durability with flexible fitment to enhance both performance and quiet operation. ## Description AC Infinity Noise Reduction Clamp 4", Duct Coupler & Stainless Steel Clamps | Airtight Rubber Coupling, Reduces Vibration And Noise for Inline Fans, Carbon Filters, Grow Tents, HVAC Systems & Ductwork - desertcart.com ## 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 | #11,191 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 (1,056) | | Item Diameter | 10 centimeters | | 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 | | UPC | 819137023529 | | Unit Count | 1 Count | ## Product Details - **Brand:** AC Infinity - **Color:** Matte Black - **Item Diameter:** 10 centimeters - **Material:** Nitrile Rubber - **Number of Items:** 1 - **Number of Packs:** 1 - **Style:** Industrial - **UPC:** 819137023529 - **Unit Count:** 1 Count ## Images ![AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch - Image 1](https://m.media-amazon.com/images/I/51V8l10uctL.jpg) ![AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch - Image 2](https://m.media-amazon.com/images/I/21JlZbezTiL.jpg) ![AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch - Image 3](https://m.media-amazon.com/images/I/51W9s38hEFL.jpg) ![AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch - Image 4](https://m.media-amazon.com/images/I/41obcexjMdL.jpg) ![AC Infinity Noise Reduction Coupler with Stainless Steel Clamps, 4-Inch - Image 5](https://m.media-amazon.com/images/I/41Awy3YF8pL.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 ## 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? - 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.jp/products/457703749-ac-infinity-noise-reduction-coupler-with-stainless-steel-clamps-4](https://www.desertcart.jp/products/457703749-ac-infinity-noise-reduction-coupler-with-stainless-steel-clamps-4) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-27*