--- product_id: 601495894 title: "CUCHIILO Insulated Duct 6Inch 25Feet" brand: "cuchiilo" price: "S$358" currency: SGD in_stock: true reviews_count: 13 category: "Cuchiilo" url: https://www.desertcart.sg/products/601495894-cuchiilo-insulated-duct-6inch-25feet store_origin: SG region: Singapore --- # Up to 85% noise reduction with sound-absorbing glass wool R4.2 insulation rating for superior thermal resistance 6-inch diameter for versatile HVAC fit CUCHIILO Insulated Duct 6Inch 25Feet **Brand:** cuchiilo **Price:** S$358 **Availability:** ✅ In Stock ## Summary > 🔥 Upgrade your airflow game with ducting that works as hard as you do! ## Quick Answers - **What is this?** CUCHIILO Insulated Duct 6Inch 25Feet by cuchiilo - **How much does it cost?** S$358 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/601495894-cuchiilo-insulated-duct-6inch-25feet) ## Best For - cuchiilo enthusiasts ## Why This Product - Trusted cuchiilo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable aluminum foil jacket with flame retardant and corrosion-resistant properties. - • **Noise? What Noise?:** Advanced sound absorption cuts noise by up to 85%, creating a quieter environment. - • **Effortless Flexibility:** Bend and shape without rigid elbows—installation made sleek and simple. - • **Premium Thermal Shield:** R4.2 glass wool insulation keeps your system energy-efficient and temperature-stable. - • **Universal HVAC Compatibility:** Perfect for central air, fresh air ventilation, and mechanical recovery systems. ## Overview This 6-inch by 25-foot insulated flexible duct features a robust aluminum foil jacket and high-density glass wool insulation rated at R4.2, delivering exceptional thermal resistance and up to 85% noise reduction. Designed for easy bending without losing shape, it’s ideal for HVAC, ventilation, and air conditioning systems requiring durable, flame-retardant, and corrosion-resistant ductwork. ## Description 6 in. x 25 ft. Insulated Flexible Duct R4.2 Silver Jacket, 6 - Flexible Ductwork - Ducting & Venting - desertcart.com Review: It’s Ducting—And It Does Exactly What Ducting Should - Not much to say here: it’s 6" insulated flexible ducting, and it did the job perfectly. Easy to work with, solid insulation, and exactly what I needed for my project. Sometimes you just need something that works without any drama—and this delivered. Five stars! Review: Good value - Works well and seems well built. ## Features - 【🌿🛒High-quality performance 6 insualted duct】Made of thickened aluminum foil material and made of high-strength elastic spiral steel wire.The middle is covered with glass fiber insulation layer, which has high temperature resistance, acid and alkali resistance, and flame retardancy. - 【🌿🛒 Glass Wool Insualtion】 Glass wool Insualtion is the safest building material, with high corrosion resistance and thermal insulation,R value: R-4.2. The temperature resistance range is -4℃~454℃. - 【🌿🛒Sound absorption and noise reduction insulation】 The internal structure of glass wool insulationis fluffy and the overall density is large, which can absorb the sound in time,Noise can be reduced by up to 85%. - 【🌿🛒6 inch Flexible Duct】 It can be bent arbitrarily, without rigid elbows, the aluminum foil is self-sustaining and will not retract after installation.It can maintain the flatness in the tube and reduce the wind resistance. - 【🌿🛒Multi Function】Used for high, medium and low pressure ventilation system without corrosive gas. Mainly used in central air conditioning HVAC system,Fresh air ventilation systems, mechanical equipment recovery systems and other ventilation systems that do not contain corrosive gases, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNW1NV3V | | Best Sellers Rank | #86,258 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #147 in HVAC Ducting | | Brand | Cuchiilo | | Brand Name | Cuchiilo | | Coverage | 549.78 square feet | | Customer Reviews | 4.2 out of 5 stars 78 Reviews | | Item Dimensions L x W | 300"L x 6"W | | Manufacturer | Cuchiilo | | Material | Aluminum, Fiberglass | | Material Type | Aluminum, Fiberglass | | Product Dimensions | 300"L x 6"W | | Recommended Uses For Product | ventilation systems, air conditioning, and heating systems | ## Product Details - **Brand:** Cuchiilo - **Manufacturer:** Cuchiilo - **Material:** Aluminum, Fiberglass - **Product Dimensions:** 300"L x 6"W - **Recommended Uses For Product:** ventilation systems, air conditioning, and heating systems ## Images ![CUCHIILO Insulated Duct 6Inch 25Feet - Image 1](https://m.media-amazon.com/images/I/71WBnYiYrLL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It’s Ducting—And It Does Exactly What Ducting Should *by D***N on November 28, 2025* Not much to say here: it’s 6" insulated flexible ducting, and it did the job perfectly. Easy to work with, solid insulation, and exactly what I needed for my project. Sometimes you just need something that works without any drama—and this delivered. Five stars! ### ⭐⭐⭐⭐⭐ Good value *by D***N on January 15, 2026* Works well and seems well built. ### ⭐⭐⭐ smells funny *by A***R on March 19, 2026* Outside casing is not the most durable, but what bothers me more is the one we received for some reason smells of week old fish pretty badly. We let it air our for about 3 weeks now and still has some of that smell. This may be a one off issue though. ## Frequently Bought Together - Cuchiilo 6 Inch 25 Feet Insulated Flexible Duct R4.2,Flex Duct Insulated, for Heating and Air Conditioning HVAC Systems - MIAHART 6 inch Hose Clamp Adjustable 304 Stainless Steel Duct Clamps Worm Gear Adjustable 141mm-165mm Hose Clamp (Pack of 6) - Lambro #246 6" Aluminum Duct Connector --- ## 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.sg/products/601495894-cuchiilo-insulated-duct-6inch-25feet](https://www.desertcart.sg/products/601495894-cuchiilo-insulated-duct-6inch-25feet) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-14*