High‑Performance Mixed‑Flow Extraction: Compact in‑line mixed‑flow fan engineered for demanding ducted installations, delivering 145–187 m³/h (40–52 l/s) airflow across two selectable speeds (Normal/Boost) with high static‑pressure capability ideally suited for long duct runs Advanced Timer & Regulatory Compliance: Integrated adjustable overrun timer (2–30 minutes) ensures continued extraction post‑use, supporting correct moisture clearance and compliance with UK Building Regulations ADF ventilation requirements Low Noise & Efficient Motor Performance: Acoustic‑optimised design outputs just 27–36 dB(A) @ 3 m, powered by a 21–33 W low‑watt motor for reliable, low‑energy operation with stable performance under high pressure Durable, Moisture‑Protected Construction: Rated IPX4 for installation in humid bathroom zones, manufactured in robust ABS, with lightweight 1.5 kg design and compact dimensions 190 × 246 × 126 mm enabling mounting in lofts or service voids Complete 100mm Installation Kit: Includes 6 m flexible ducting, mounting ties, internal extract valve, and external grille, optimised for 100 mm duct systems to maintain high airflow stability during installation and operation, Weight: 3.30693393 pounds, Manufacturer: Airflow