--- product_id: 450154783 title: "FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct" brand: "fresh speed" price: "¥9493" currency: JPY in_stock: true category: "Fresh Speed" url: https://www.desertcart.jp/products/450154783-fresh-speed-8-inch-backdraft-damper-shutter-inline-spring-loaded store_origin: JP region: Japan --- # 8-inch precision fit Spring-loaded one-way airflow Galvanized steel & aluminum build FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct **Brand:** fresh speed **Price:** ¥9493 **Availability:** ✅ In Stock ## Summary > 💨 Keep your airflow fresh and your energy bills fresher! ## Quick Answers - **What is this?** FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct by fresh speed - **How much does it cost?** ¥9493 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/450154783-fresh-speed-8-inch-backdraft-damper-shutter-inline-spring-loaded) ## Best For - fresh speed enthusiasts ## Why This Product - Trusted fresh speed brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Installation:** Fits standard 8-inch ducts horizontally or vertically, perfect for dryers, bathrooms, and HVAC systems. - • **Durable Premium Materials:** Galvanized steel casing with aluminum blades and stainless steel spring for long-lasting performance. - • **Noise-Reducing Tight Seal:** Inner rubber seal and outer foam strip minimize noise and ensure airtight installation. - • **Effortless Maintenance & Support:** Lightweight 231g design with professional customer service ready to assist your installation needs. - • **Seamless One-Way Airflow Control:** Automatically opens only with outgoing air to prevent backdrafts and energy loss. ## Overview The FRESH SPEED 8-Inch Backdraft Damper Shutter is a spring-loaded inline valve designed for 8-inch dryer ducts and HVAC systems. Constructed from galvanized steel and aluminum with stainless steel components, it ensures durable, one-directional airflow while preventing backdrafts. Its noise-reducing seals and versatile installation options make it an essential upgrade for efficient, quiet ventilation in homes and campers. ## Description Buy FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - Home Improvement: Especially suitable for inserting into dryer duct. Perfect for use in bathrooms, garages, sheds, campers, stopping inflow of air from AC units, range hood extractors, heating systems - Easy Installation: The duct damper opens and closes automatically, allowing only one-directional airflow. The damper blades open only in the outflowing air direction when the shutter is installed. The duct valve for 8-inch duct best installed in a horizontal position and inserted fully into the duct. This also applies to vertical installation - Premium Material: The casing of the shutter is made of galvanized steel sheet. The dryer vent valve blades are made of aluminium. The shaft and spring are made of stainless steel - Great for Home Use: The inner rubber seal is used for better tightness and for noise reduction. The outer foam sealing strip provides good tightening and fixing of the backdraft damper inside the duct. The back draught valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you must use steel duct clamps to secure the backdraft damper - Warm Prompt: Please note the diameter of this backdraft damper is 7.9" and it can be fit in a 8" diameter pipe or hole easily. If you have any questions about our backdraft damper shutter, our professional customer service team is here to assist you ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TB75TS5 | | ASIN | B09TB75TS5 | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.5 4.5 out of 5 stars (522) | | Customer reviews | 4.5 4.5 out of 5 stars (522) | | Date First Available | 17 June 2022 | | Date First Available | 17 June 2022 | | Item Weight | 231 g | | Item model number | 752349625337 | | Item model number | 752349625337 | | Manufacturer | FRESH SPEED | | Manufacturer | FRESH SPEED | | Package Dimensions | 21.49 x 20.6 x 6.3 cm; 231 g | | Package Dimensions | 21.49 x 20.6 x 6.3 cm; 231 g | | Part number | 752349625337 | | Size | 8-Inch 200mm | ## Images ![FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct - Image 1](https://m.media-amazon.com/images/I/51GobSS5nVL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - FRESH SPEED 8-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct - Hon&Guan 8'' Soffit Vent Cover, Round Vent for Bathroom & Home (200mm) - AC Infinity Flexible 8-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust --- ## 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.jp/products/450154783-fresh-speed-8-inch-backdraft-damper-shutter-inline-spring-loaded](https://www.desertcart.jp/products/450154783-fresh-speed-8-inch-backdraft-damper-shutter-inline-spring-loaded) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-12*