B&Q - 4" Window Bathroom Fan With Automatic Shutters 100mm WhiteWf100A

Manrose

The Manrose WF100A 4"" Window Bathroom Fan is a versatile, high-performance extractor fan designed for bathrooms, toilets, and utility rooms. This fan can be mounted on a window, wall, or ceiling, making it adaptable to a wide range of installation requirements. It features thermo-activated internal shutters that open silently approximately 45 seconds after the fan is switched on, preventing unwanted drafts and ensuring smooth, noiseless operation.The WF100A delivers an extract rate of 85m³/hr (23 litres per second), efficiently removing moisture and odours to maintain a fresh, comfortable environment and reduce condensation and mould growth. Its robust single-phase induction motor with pre-oiled bearings provides a maintenance-free long-life performance, while the high-gloss ABS thermoplastic casing ensures durability, easy cleaning, and a sleek, modern appearance.This 100mm window fan is specifically designed for installation through standard 115–155mm diameter holes in glass 4–10mm thick, making it ideal for window-mounted applications. Its quiet 41 dB(A) operation ensures unobtrusive performance, even in small or sensitive spaces. The fan is capable of operating safely at temperatures up to 40°C, providing reliable extraction in bathrooms, shower rooms, and utility areas.The WF100A is part of a wider Manrose Automatic Fan range available in multiple sizes, allowing users to select the optimal model for their space. Its combination of silent shutters, high-quality materials, and efficient extraction makes it a practical and stylish ventilation solution for any home.