--- product_id: 51663175 title: "Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting" brand: "blauberg uk" price: "€ 25.45" currency: EUR in_stock: true reviews_count: 9 category: "Blauberg Uk" url: https://www.desertcart.hr/products/51663175-blauberg-100mm-4-inch-black-gravity-shutter-vent-grille-155x155mm store_origin: HR region: Croatia --- # Gravity-operated backdraught flap 100mm (4 inch) duct size Removable blades for easy cleaning Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting **Brand:** blauberg uk **Price:** € 25.45 **Availability:** ✅ In Stock ## Summary > 🖤 Elevate your ventilation game with sleek efficiency and zero hassle! ## Quick Answers - **What is this?** Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting by blauberg uk - **How much does it cost?** € 25.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/51663175-blauberg-100mm-4-inch-black-gravity-shutter-vent-grille-155x155mm) ## Best For - blauberg uk enthusiasts ## Why This Product - Trusted blauberg uk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight & Durable:** Constructed for long-lasting performance without adding bulk or complexity. - • **Smart Gravity Shutter:** Automatically prevents backdraughts, keeping your space fresh and energy-efficient. - • **Effortless Maintenance:** Removable blades make cleaning a breeze—no more hidden grime or blockages. - • **Sleek Matte Black Finish:** Modern, minimalistic design that complements any exterior wall with a professional edge. - • **Perfect Fit for 100mm Ducts:** Seamlessly connects with standard extractor fans and ducting for hassle-free installation. ## Overview The Blauberg 100mm Black Gravity Shutter Vent Grille is a high-performance exterior wall vent cover designed for 4-inch duct connections. Featuring a gravity-operated backdraught flap and removable blades, it ensures optimal airflow control and easy maintenance. Its durable, lightweight construction and modern black finish make it a smart, stylish choice for professional-grade ventilation solutions. ## Description Product Description Blauberg UK Gravity Grille 155mm External Dimension with 100mm - 4 inch Round Rear Spigot 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot Outer wall mounting. Decoration of ventilation shaft vents or for connection to round air ducts. Equipped with gravity louvre shutters for back flow prevention. Temperature- and UV-resistant antistatic plastic. Flush mounted fasteners.Easy maintenance. Facilitates efficient indoor and outdoor air circulation, making it ideal for covering ceiling openings and ducting vents, offering both practicality and durability. Includes a built-in fly screen that automatically opens when the wind blows, enhancing its functionality. The material is corrosion-resistant and easy to clean, ensuring long-lasting and safe usage. BLAUBERG UK Plastic Ducting Grille Available in 3 sizes and 5 colours 100mm / 4" External dimensions of the front facia of the grille measure 155mm. For connecting to plastic ducting and extractor fans, there's a 4-inch round rear spigot measuring 100mm in diameter. Static Pressure Drop in Pascals 15 l/s = 10.94 Pa 30 l/s = 18.59 Pa 60 l/s = 24.21 Pa 125mm / 5" For connecting to plastic ducting and extractor fans, there's a 5-inch round rear spigot measuring 100mm in diameter. 15 l/s = 6.43 Pa 30 l/s = 9.91 Pa 60 l/s = 11.25 Pa 150mm / 6" External dimensions of the front facia of the grille measure 183mm. For connecting to plastic ducting and extractor fans, there's a 6-inch round rear spigot measuring 100mm in diameter. 15 l/s = 6.91 Pa 30 l/s = 8.76 Pa 60 l/s = 11.10 Pa Available in 3 sizes and 6 colours KEEP AIR FLOWING This pastic air vent can keep indoor and outdoor air circulation. DURABLE AND PRACTICAL This wall vent is suitable for covering ceiling openings and ducting vents, practical and durable to use. EQUIPPED WITH A FLY SCREEN This wall air vent is equipped with fly screen, it opens automatically when the wind blows. Revive Your Bathroom, Say Goodbye to Steam High-quality and durable plastic This product is crafted from high-quality and durable plastic. It can be easily installed on exterior walls or ceilings to prevent pests from entering rooms through the mesh. Additionally, it serves as a decorative element for supply and exhaust vents in public, residential, and industrial ventilation systems. This ventilation grill enables efficient indoor and outdoor air circulation, making it an excellent choice for enhancing air flow in your home, office, or any desired location. Efficient Ventilation: Discover the Gravity Shutter Grille Advantage An essential element for your ventilation system, meticulously engineered to effectively conclude the connections of extractor fans, cooker hoods, or ducts to an external wall. Installation is a breeze Simply use a short piece of duct or a telescopic wall sleeve Each Decor Gravity Shutter vent features removable blades for effortless installation and cleaning. The shutter operates by automatically opening its blades when the extractor fan is active, allowing air to pass through. When the extractor fan or ventilation system is turned off, the grille gracefully closes due to gravity, forming a barrier that prevents unwanted airflow into the room. Review: Good quality and arrived quickly - I ordered the dark brown vent. It arrived quickly and was well packaged. The fixing holes were pre-drilled but you do have to find your own plugs and screws. There is also no mesh behind the lats but I was ok with that. Review: Good and efficient construction which works well - Good and strong construction, works well, price is right ## Features - 100mm 4 inch duct and extractor fan connection sizes - Gravity operated back draught shutter - Removable blades for easy cleaning ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06WGXJZMX | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 50,071 in DIY & Tools ( See Top 100 in DIY & Tools ) 193 in Registers, Grilles & Vents | | Colour | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (1,263) | | Date First Available | 19 Jan. 2017 | | Included components | no_components | | Item Package Quantity | 1 | | Item Weight | 100 g | | Item model number | DECOR 155X155/100G BLACK | | Manufacturer | Blauberg Fans | | Measurement System | Metric | | Number of Pieces | 1 | | Part number | DECOR 155X155/100G BLACK | | Product Dimensions | 14 x 2 x 15 cm; 100 g | | Size | 100mm | ## Product Details - **Brand:** Blauberg UK - **Colour:** Black - **Electric fan design:** Exhaust Fan - **Finish type:** Powder Coated - **Material:** Plastic - **Mounting type:** Wall Mount - **Power source:** Electric - **Recommended uses for product:** Exhausting, Ventilating - **Room type:** Bathroom, Kitchen - **Style:** Wall-Mounted ## Images ![Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting - Image 1](https://m.media-amazon.com/images/I/511cIghzqkL.jpg) ![Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting - Image 2](https://m.media-amazon.com/images/I/61Ss9kYAtzL.jpg) ![Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting - Image 3](https://m.media-amazon.com/images/I/51jP3W+dywL.jpg) ![Blauberg 100mm (4 Inch) Black Gravity Shutter Vent Grille 155x155mm – Exterior Wall Vent Cover with Backdraught Flap, Removable Blades for Extractor Fans & Ducting - Image 4](https://m.media-amazon.com/images/I/61kWMT2Y8LL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality and arrived quickly *by S***A on 11 June 2026* I ordered the dark brown vent. It arrived quickly and was well packaged. The fixing holes were pre-drilled but you do have to find your own plugs and screws. There is also no mesh behind the lats but I was ok with that. ### ⭐⭐⭐⭐⭐ Good and efficient construction which works well *by A***R on 26 February 2025* Good and strong construction, works well, price is right ### ⭐⭐⭐⭐ Easy to install *by J***P on 4 February 2024* Feels a little cheap, but it’s been up about six months now and it’s doing ok. Gets a bit rattly when the wind hits it full on ## Frequently Bought Together - Blauberg Black Gravity Grille 150mm - 7.25 inch External Ducting Air Vent with Round Spigot and Non-Return Shutters for HVAC Bathroom Extractor Fan Kitchen Whole House Ventilation Grill Cover - Kair Plastic Ducting Pipe 150mm - 6 inch / 350mm Short Length -Rigid Straight Duct Channel - 150mm Pack of 2 Adjustable 140-160mm Stainless Steel Pipe Clamp Secure Hose Clip Inline Duct Extractor Fan Cooker Hood --- ## 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.hr/products/51663175-blauberg-100mm-4-inch-black-gravity-shutter-vent-grille-155x155mm](https://www.desertcart.hr/products/51663175-blauberg-100mm-4-inch-black-gravity-shutter-vent-grille-155x155mm) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-04*