--- 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: "C$1474" currency: NIO in_stock: true category: "Airaway" url: https://www.desertcart.ni/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing store_origin: NI region: Nicaragua --- # Compatible with uPVC, timber & aluminium 3728 mmΒ² airflow area Easy fit with included screws & parts Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable **Brand:** airaway **Price:** C$1474 **Availability:** βœ… In Stock ## Summary > 🌬️ Elevate your space with fresh airflow β€” don’t let dampness cramp your style! ## 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?** C$1474 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/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 - β€’ **Robust & Reliable:** Heavy-duty construction built to replace existing vents and last for years - β€’ **Breathe Easy, Live Better:** Reduces condensation, damp & mould for a healthier home environment - β€’ **Precision Airflow Control:** Fully adjustable vent slot ensures optimal ventilation tailored to your needs - β€’ **Tested & Trusted Performance:** Airflow tested to BS EN 13141-1:2004 standards for guaranteed quality - β€’ **Universal Fit, Effortless Install:** Designed for uPVC, timber, and aluminium windows & doors with all parts included ## Overview The Window Trickle Slot Vent 407mm White is a high-performance ventilation solution designed for uPVC, timber, and aluminium double-glazed windows. With a substantial 3728 mmΒ² airflow area, it effectively reduces condensation, damp, and mould. Fully adjustable and easy to install with included parts, this heavy-duty vent meets BS EN 13141-1:2004 airflow standards, ensuring reliable, long-lasting performance for a healthier, fresher home. ## 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 Β£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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ni/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing](https://www.desertcart.ni/products/55056361-window-trickle-slot-vent-407mm-white-for-upvc-double-glazing) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-08-22*