--- product_id: 48826074 title: "Kair White 100mm Gravity Wall Vent Grille with Backdraught Shutters" brand: "kair" price: "€ 26.54" currency: EUR in_stock: true category: "Kair" url: https://www.desertcart.es/products/48826074-kair-white-100mm-gravity-wall-vent-grille-with-backdraught-shutters store_origin: ES region: Spain --- # 7200mm² free airflow Push-fit 100mm spigot Automatic non-return shutters Kair White 100mm Gravity Wall Vent Grille with Backdraught Shutters **Brand:** kair **Price:** € 26.54 **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your airflow game with effortless, silent protection! ## Quick Answers - **What is this?** Kair White 100mm Gravity Wall Vent Grille with Backdraught Shutters by kair - **How much does it cost?** € 26.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/48826074-kair-white-100mm-gravity-wall-vent-grille-with-backdraught-shutters) ## Best For - kair enthusiasts ## Why This Product - Trusted kair brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Backdraught Blocker Pro:** Gravity-operated shutters close automatically, stopping odours, noise, and draughts cold. - • **Snap & Seal Installation:** Push-fit 100mm round spigot for quick, tool-free setup—no fuss, no delays. - • **Effortless Airflow Mastery:** 7200mm² free air area ensures optimal ventilation without compromise. - • **Versatile Venting Solution:** Perfect for bathrooms, kitchens, HVAC, and hydroponics—future-proof your air quality. - • **Built for Compliance & Confidence:** Meets Part F Building Regulations with independently tested airflow performance. ## Overview The Kair White 100mm Gravity Wall Vent Grille features a 7200mm² free air area and a 100mm push-fit spigot for easy installation. Its gravity-operated non-return shutters automatically prevent backdraughts, odours, and noise, making it ideal for bathrooms, kitchens, and HVAC systems. Independently tested and compliant with Part F Building Regulations, this durable polypropylene vent grille offers a reliable, maintenance-free ventilation upgrade. ## Description Free delivery and returns on all eligible orders. Shop Kair White 100mm Gravity Wall Vent Grille with Backdraught Shutters | Push-fit installation, Helps prevent backdraughts, Helps block odours and noise and draughts, Suitable for Part F compliance. ## Features - White Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters. 155mm x 155mm external dimension with 4 inch / 100mm round male rear spigot on the back of the grille for indoor or outdoor use. - Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break. - Easy to install, just push-fit duct and fittings together. Perfectly suited Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan. - This grille can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive ventilation, positive input, air conditioning, HVAC, and Heat Recovery Systems. - Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 7200mm2. Static Pressure Drop in Pascals: 15 l/s = 10.94 Pa - 30 l/s = 18.59 Pa - 60 l/s = 24.21 Pa. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004X4RVUQ | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 1,754 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Boilers & Accessories | | Brand | Kair | | Colour | White | | Compatible Devices | cooker_hood | | Control Console | Manual | | Customer Reviews | 4.5 4.5 out of 5 stars (4,944) | | Date First Available | 19 April 2011 | | Efficiency (10 classes) | A+++ to G | | Guaranteed software updates until | unknown | | Included Components | Non-return shutter flaps, 4 inch / 100mm round male spigot | | Item Weight | 81.6 g | | Material Type | Polypropylene | | Model | SYS-100 | | Part Number | DUCVKC243 | | Product Dimensions | 15.5 x 4 x 15.5 cm; 81.65 g | | Special Features | Automatic Non-Return Shutters | ## Product Details - **Brand:** Kair - **Colour:** White - **Finish type:** Painted - **Product dimensions:** 10.2D x 39.4W x 15.5H centimetres - **Special feature:** Automatic Non-Return Shutters ## Images ![Kair White 100mm Gravity Wall Vent Grille with Backdraught Shutters - Image 1](https://m.media-amazon.com/images/I/41kqLrMfzwL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Is the 10cm the size of the 'flaps' or the width of the whole unit?** A: the size is not applicable to either of the above , it refers to the size of ducting you can attach to the grill tohere is the actual sizes for the gravity grill 100mm / 10cm Product Type Wall VentHeight (mm) 155Length (mm) 155Width (mm) 40Spigot size (mm) 28 x 96 x 96 **Q: Does anyone know if when the extractor is on are the flaps meant to open up? Mines doesn’t seem to open up at all.** A: Assuming the extractor fan is blowing out through the grille, the flaps should open. How far they open depends on the strength of the air-flow from the fan. **Q: What is the pitch of the fixing holes, looking for 110mm horizontal by 100mm vertical.** A: The fixing holes on this product correspond to the measurement you are looking for 110mm wide between securing holes x 100mm high between securing holes **Q: Has anyone used this on an plastic outdoor keter shed?** A: should be fine with a suitable interface sealant ## Frequently Bought Together - Kair White Gravity Grille 155mm External Dimension Ducting Air Vent with 100mm - 4 inch Round Rear Spigot and Not-Return Shutters - Kair Plastic Ducting Pipe 100mm - 350mm Short Length - Rigid Straight Duct Channel - Kair White Louvred Wall Vent Grille 155mm External Dimension with Flyscreen and Round 100mm - 4 inch Rear Spigot --- ## 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.es/products/48826074-kair-white-100mm-gravity-wall-vent-grille-with-backdraught-shutters](https://www.desertcart.es/products/48826074-kair-white-100mm-gravity-wall-vent-grille-with-backdraught-shutters) --- *Product available on Desertcart Spain* *Store origin: ES* *Last updated: 2026-09-14*