--- product_id: 55056361 title: "Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable" brand: "airaway" price: "€ 23.01" currency: EUR in_stock: true category: "Airaway" url: https://www.desertcart.nl/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing store_origin: NL region: Netherlands --- # 3728 mm² Air Flow Easy Installation Heavy Duty Design Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable **Brand:** airaway **Price:** € 23.01 **Availability:** ✅ In Stock ## Summary > 🌬️ Let Fresh Air In, Keep Damp Out! ## Quick Answers - **What is this?** Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable by airaway - **How much does it cost?** € 23.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing) ## Best For - airaway enthusiasts ## Why This Product - Trusted airaway brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Breathe Easy:** Combat condensation and dampness effortlessly! - • **Complete Kit:** Includes all necessary components for a hassle-free setup. - • **Sleek Design:** Modern white finish complements any window style. - • **Universal Fit:** Perfect for uPVC, timber, and aluminum windows. - • **Robust Performance:** Tested for optimal airflow according to BS EN standards. ## Overview The Window Trickle Slot Vent 407mm in white is designed to enhance airflow in uPVC double glazing and timber windows, effectively reducing condensation, damp, and steam. This fully adjustable vent comes with all necessary installation components and boasts a substantial airflow capacity of 3728 mm², ensuring a healthier indoor environment. ## Description Shop Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable. Free delivery on eligible orders of £20 or more. ## Features - Reduce Condensation, Damp & Mould By Providing Air Flow 1 Single White Trickle Vent - Each Easy To Fit Vent Include Inside Part, Outside Part, End Caps & Screws - Suitable for uPVC Double Glazed, Timber, Aluminium Windows & Doors Heavy Duty Can Be Used To Replace Existing Vents - 407mm Length Providing An Impressive 3728 mm2 Air Flow Tested In Accordance With BS EN 13141-1:2004 - External Dimension: 407 x 17 x 24mm Internal Dimension: 407 x 17 x 14mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B017NYDCCI | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 37,922 in DIY & Tools ( See Top 100 in DIY & Tools ) 11 in Window Ventilators | | Colour | White | | Customer Reviews | 4.4 4.4 out of 5 stars (2,177) | | Date First Available | 6 Nov. 2015 | | Guaranteed software updates until | unknown | | Item Package Quantity | 1 | | Item Weight | 81.6 g | | Item model number | MJ 4000 | | Manufacturer | Draak | | Part Number | MJ 4000 | | Product Dimensions | 40.59 x 3.91 x 1.6 cm; 81.65 g | | Size | 407mm | ## Images ![Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable - Image 1](https://m.media-amazon.com/images/I/51Y4D53T9tL.jpg) ![Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable - Image 2](https://m.media-amazon.com/images/I/31Tr5m5vy2L.jpg) ![Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable - Image 3](https://m.media-amazon.com/images/I/31kRpsBEHRL.jpg) ![Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable - Image 4](https://m.media-amazon.com/images/I/41pwN8rPuiL.jpg) ## Available Options This product comes in different **Size, Item Package Quantity** options. ## Questions & Answers **Q: How do you fit them because i'm totally useless at diy?** A: Hi. The part with the lift up flap goes on the inside of the window frame and the larger grill part goes on the outside of the frame. I drilled a series of holes along the line of where I fitted the vent to provide the airflow using a very sharp new drill. **Q: Do these go on the window or above on the frame?** A: They can go on either, but the frame is best **Q: Does it come with a packaging which confirms that 407mm length providing an impressive 3728 mm2 air flow tested in accordance with bs en 13141-1:2004** A: Yes **Q: 1. Should the flap open up or downwards? 2. How often/long should they be open for to stop the condensation/damp please?** A: Flap hinge should be at the top and the flap open upwards. Mine are left open permanently and effectiveness is dependent on size of room, size of window and the temperature / humidity of the environment. ## Frequently Bought Together - Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable - RW Simon Ltd Window Trickle Vent White - Small 300mm - GB DIY Store 5 x uPVC Window Trickle Slot Vent White 300mm White - Reduces Condensation, Damp & Steam (5 Pack) --- ## 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.nl/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing](https://www.desertcart.nl/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-08-22*