--- product_id: 338650686 title: "2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps" brand: "vivosun" price: "545.98 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/338650686-2-pack-4-inch-25-feet-non-insulated-flex-air store_origin: TN region: Tunisia --- # Flame-retardant 3-layer aluminum Wide temp range -22°F to 266°F Heavy-duty stainless steel clamps 2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps **Brand:** vivosun **Price:** 545.98 DT **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your airflow game with VIVOSUN’s pro-grade ducting — because your space deserves the best! ## Quick Answers - **What is this?** 2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps by vivosun - **How much does it cost?** 545.98 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/338650686-2-pack-4-inch-25-feet-non-insulated-flex-air) ## Best For - vivosun enthusiasts ## Why This Product - Trusted vivosun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Weather Ready:** Operates flawlessly from freezing -22°F to scorching 266°F — perfect for any HVAC setup. - • **Complete Installation Kit:** Includes four rustproof stainless steel clamps for a secure, hassle-free fit every time. - • **Flexibility Meets Strength:** Reinforced with built-in steel wire for easy installation and long-lasting shape retention. - • **Built to Last, Built to Perform:** High-quality aluminum with corrosion resistance ensures durability in any environment. - • **Safety First with Flame-Retardant Design:** Three-layer thickness with flame-retardant coating keeps your space secure and compliant. ## Overview The VIVOSUN 2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting offers a durable, flame-retardant ventilation solution with a reinforced steel wire core and rustproof stainless steel clamps. Designed for HVAC, kitchens, grow rooms, and more, it withstands temperatures from -22°F to 266°F, ensuring reliable performance and easy installation. ## Description 2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps ## Features - Ducting Material: High-quality aluminum (High Temperature Resistant & Corrosion Resistant & Long Lasting); Clamps Material: Stainless steel (Rustproof & Corrosion Resistant & Heavy Duty). - Ducting Feature 1: Three-layer Thickness (Aluminum Foil + PET + Aluminum Foil): Flame-retardant coating. Thermal Endurance: Temperature range from -22 to 266 Fahrenheit. - Ducting Feature 2: Built-in steel wire for reinforcement and long lasting performance. - Ducting Feature 3: Flexible length for exhaust fan blower / inline fan; quick and easy to set up. - Application Scenarios: Perfect for Heating Ventilation & Air Conditioning (HVAC), Kitchens, Bathrooms, Greenhouses, Grow Rooms, Grow Tents, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | VIVOSUN | | Item Weight | 1.56 Kilograms | | Product Dimensions | 762 x 10.16 x 0.1 cm; 1.56 kg | | Size | 4" 25ft | | Color | Silber | | Material | Alloy Steel, Aluminum, Stainless Steel | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Brand:** VIVOSUN - **Material:** Alloy Steel, Aluminum, Stainless Steel - **Colour:** Silber - **Item weight:** 1.56 Kilograms - **UPC:** 736783800291 ## Images ![2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - Image 1](https://m.media-amazon.com/images/I/81E2nw7ijyL.jpg) ![2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - Image 2](https://m.media-amazon.com/images/I/81K0gbWhcPL.jpg) ![2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - Image 3](https://m.media-amazon.com/images/I/81Hp2yD+WcL.jpg) ![2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - Image 4](https://m.media-amazon.com/images/I/81vvQYMRwiL.jpg) ![2-Pack 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - Image 5](https://m.media-amazon.com/images/I/91WQaerM4OL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - VIVOSUN 2-Pack 4 Inch 25 Feet Flex Air Aluminum Ducting Dryer, Flexible Vent Hose for HVAC Ventilation with Four 4 Inch Stainless Steel Clamps - VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent --- ## 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.tn/products/338650686-2-pack-4-inch-25-feet-non-insulated-flex-air](https://www.desertcart.tn/products/338650686-2-pack-4-inch-25-feet-non-insulated-flex-air) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-28*