--- product_id: 451804138 title: "CUCHIILO Insulated Duct 7Inch 25Feet" brand: "cuchiilo" price: "S$512" currency: SGD in_stock: true category: "Cuchiilo" url: https://www.desertcart.sg/products/451804138-cuchiilo-insulated-duct-7inch-25feet store_origin: SG region: Singapore --- # 7-inch diameter for optimal airflow Up to 85% noise reduction with glass wool insulation R-4.2 insulation rating for superior thermal efficiency CUCHIILO Insulated Duct 7Inch 25Feet **Brand:** cuchiilo **Price:** S$512 **Availability:** ✅ In Stock ## Summary > 🌀 Elevate your airflow game with flexible, insulated, and whisper-quiet ducting! ## Quick Answers - **What is this?** CUCHIILO Insulated Duct 7Inch 25Feet by cuchiilo - **How much does it cost?** S$512 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/451804138-cuchiilo-insulated-duct-7inch-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 - • **Thermal Shield:** R-4.2 Owens Corning glass wool insulation keeps your HVAC system energy-efficient and temperature-stable. - • **Flexible Mastery:** Bend it your way—no rigid elbows needed, maintaining airflow and reducing wind resistance. - • **Silent Operation:** Fluffy glass wool core absorbs sound, cutting noise by up to 85% for a peaceful environment. - • **Versatile Venting:** Perfect for all pressure ventilation systems—central AC, fresh air, and mechanical recovery without corrosive gases. - • **Heavy-Duty Durability:** Thickened aluminum foil and high-strength spiral steel wire ensure long-lasting, corrosion-resistant performance. ## Overview The Cuchiilo 7-inch Flexible Insulated Duct combines durable aluminum construction with R-4.2 Owens Corning glass wool insulation, delivering superior thermal performance and up to 85% noise reduction. Its flexible design eliminates the need for rigid elbows, optimizing airflow and reducing wind resistance. Ideal for heavy-duty HVAC and exhaust systems, this 25-foot duct is engineered for versatile, corrosion-resistant ventilation solutions. ## Description Cuchiilo 7 inch Flexible Duct, Insulated Flex Duct, AC Fleixble Duct,HVAC Ducting, Insulation Duct,7''25 'Feet Insulated Flexible Ducting,R-4.2 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork - desertcart.com ## Features - 【🌿🛒High-quality performance 7 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 - 【🌿🛒Owens Corning 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%. - 【🌿🛒7 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 | B09Y1JKTJM | | Best Sellers Rank | #40,974 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in HVAC Ducting | | Brand Name | Cuchiilo | | Customer Reviews | 4.3 4.3 out of 5 stars (323) | | Item Dimensions L x W | 300"L x 7"W | | Item Length | 25 feet | | Manufacturer | Cuchiilo | | Material Type | Aluminum | | Unit Count | 1 Count | ## Product Details - **Brand:** Cuchiilo - **Manufacturer:** Cuchiilo - **Material:** Aluminum - **Product Dimensions:** 300"L x 7"W - **Unit Count:** 1 Count ## Images ![CUCHIILO Insulated Duct 7Inch 25Feet - Image 1](https://m.media-amazon.com/images/I/71WBnYiYrLL.jpg) ![CUCHIILO Insulated Duct 7Inch 25Feet - Image 2](https://m.media-amazon.com/images/I/712OBBWkU6L.jpg) ![CUCHIILO Insulated Duct 7Inch 25Feet - Image 3](https://m.media-amazon.com/images/I/71ia-CZVOOL.jpg) ![CUCHIILO Insulated Duct 7Inch 25Feet - Image 4](https://m.media-amazon.com/images/I/7198Zk97eXL.jpg) ![CUCHIILO Insulated Duct 7Inch 25Feet - Image 5](https://m.media-amazon.com/images/I/71ydRiEVRQL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Why is it important to have HVAC insulated ducts in a building?** A: Insulated ducts help maintain consistent temperature levels and prevent energy loss. They also reduce condensation and help improve indoor air quality. **Q: Do insulated HVAC ducts help reduce noise from the HVAC system?** A: It may help reduce noise the importance of the insulation is to reduce condensation in changeable temperature areas. **Q: Can this be used for a bathroom vent fan?** A: Yes you can. **Q: Are there any maintenance tips for ensuring the longevity of insulated HVAC ducts?** A: Regular inspections for damage or wear, proper sealing of joints, and keeping the ducts clean can help extend the life of insulated HVAC ducts. ## Frequently Bought Together - Cuchiilo 7 Inch 25 Feet Insulated Flexible Duct R4.2,7 Flexible Duct,7 Inch Ac Duct,7 Inch Ducting,Flex Duct 7 Inch, for Heating and Air Conditioning HVAC Systems - EesTeck 4Pcs 8" Adjustable 304 Stainless Steel Duct Clamps Hose Clamp Pipe Clamp Air Ducting Clamp worm drive hose clamps (194mm-216mm) --- ## 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/451804138-cuchiilo-insulated-duct-7inch-25feet](https://www.desertcart.sg/products/451804138-cuchiilo-insulated-duct-7inch-25feet) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-04*