--- product_id: 492832840 title: "CUCHIILO Insulated Duct 5Inch 25Feet" brand: "cuchiilo" price: "€ 280.34" currency: EUR in_stock: true category: "Cuchiilo" url: https://www.desertcart.pt/products/492832840-cuchiilo-insulated-duct-5inch-25feet store_origin: PT region: Portugal --- # Sound absorption & noise reduction -4°F to 454°F temp range R4.2 thermal insulation CUCHIILO Insulated Duct 5Inch 25Feet **Brand:** cuchiilo **Price:** € 280.34 **Availability:** ✅ In Stock ## Summary > 🔥 Stay cool, save energy, and hush the noise with Cuchiilo’s flexible duct! 🌀 ## Quick Answers - **What is this?** CUCHIILO Insulated Duct 5Inch 25Feet by cuchiilo - **How much does it cost?** € 280.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/492832840-cuchiilo-insulated-duct-5inch-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 - • **Premium R4.2 Insulation:** Maximize energy efficiency with superior thermal resistance. - • **Flexible & Durable Design:** Easily install without rigid elbows thanks to reinforced spiral steel wire. - • **Noise-Reducing Glass Wool:** Enjoy quieter HVAC performance with dense sound absorption. - • **Wide Temperature Tolerance:** Operates flawlessly from freezing -4°F to scorching 454°F. - • **Versatile HVAC Compatibility:** Perfect for residential and commercial heating, cooling, and ventilation. ## Overview The Cuchiilo 5 Inch Insulated Flexible Duct offers 25 feet of durable, high-performance HVAC ducting featuring R4.2 glass wool insulation for excellent thermal efficiency and sound absorption. Built with reinforced aluminum foil and spiral steel wire, it supports a wide temperature range (-4°F to 454°F) and flexible installation, making it ideal for both residential and commercial heating, ventilation, and air conditioning systems. ## Description Cuchiilo 5 Inch Insulated Flexible Duct - 25 Feet, R4.2, For Heating & Air Conditioning HVAC Systems - desertcart.com ## Features - High-Quality Insulated Flexible Duct: Made with durable aluminum foil layers, reinforced spiral steel wire, and a fiberglass insulation layer for enhanced thermal performance, flexibility, and long-lasting use in HVAC ventilation systems. - Glass Wool Insulation Layer: Designed with glass wool insulation to help improve heat resistance and energy efficiency. Provides R-4.2 insulation performance and supports a temperature range from -4°F to 454°F (-20°C to 234°C). - Sound Absorption & Noise Reduction: The dense glass wool insulation structure helps absorb sound and reduce airflow noise, making this insulated flexible duct suitable for HVAC systems, ventilation setups, and inline fan applications. - Flexible 5 Inch Insulated Duct: The bendable design allows easy installation without rigid elbows. The reinforced aluminum foil structure helps maintain tube shape, reduce airflow resistance, and improve installation convenience. - Multi-Purpose HVAC Application: Suitable for residential and commercial ventilation systems, including central air conditioning, fresh air exchange, mechanical equipment ventilation, and other non-corrosive air circulation applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BGX4HYSZ | | Best Sellers Rank | #14,240 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in HVAC Ducting | | Brand Name | Cuchiilo | | Coverage | Area or volume that the duct can effectively insulate based on its R-value and dimensions | | Customer Reviews | 4.4 4.4 out of 5 stars (386) | | Item Dimensions L x W | 300"L x 5"W | | Item Thickness | 5 inches | | Manufacturer | Cuchiilo | | Material Type | Aluminum foil, glass wool insulation, and spiral steel wire | | Recommended Uses For Product | Thermal insulation, Sound insulation, Fire resistance | | Unit Count | 1 Count | ## Product Details - **Brand:** Cuchiilo - **Item Thickness:** 5 inches - **Material:** Aluminum foil, glass wool insulation, and spiral steel wire - **Product Dimensions:** 300"L x 5"W - **Recommended Uses For Product:** Thermal insulation, Sound insulation, Fire resistance ## Images ![CUCHIILO Insulated Duct 5Inch 25Feet - Image 1](https://m.media-amazon.com/images/I/71uFdh1eyAL.jpg) ![CUCHIILO Insulated Duct 5Inch 25Feet - Image 2](https://m.media-amazon.com/images/I/518rI1bj74L.jpg) ![CUCHIILO Insulated Duct 5Inch 25Feet - Image 3](https://m.media-amazon.com/images/I/517-nMEwQkL.jpg) ![CUCHIILO Insulated Duct 5Inch 25Feet - Image 4](https://m.media-amazon.com/images/I/51LQw-TmiWL.jpg) ![CUCHIILO Insulated Duct 5Inch 25Feet - Image 5](https://m.media-amazon.com/images/I/515pR7YiZWL.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 5 Inch 25 Feet Insulated Flexible Duct R4.2,5 Inch Insulated Flexible Duct,5 Insulated Flexible Duct,5 Flexible Duct,5 Insulated Duct,for Heating and Air Conditioning HVAC Systems - EesTeck 5" Adjustable 304 Stainless Steel Duct Clamps Hose Clamp Pipe Clamp Air Ducting Clamp worm drive hose clamps (4Pcs, 118mm-140mm) --- ## 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.pt/products/492832840-cuchiilo-insulated-duct-5inch-25feet](https://www.desertcart.pt/products/492832840-cuchiilo-insulated-duct-5inch-25feet) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-30*