AIRFLOW QUITAIR THIS IS THE QT100PIRT PIR AND TIMER MODEL WHISPER QUIET ULTRA LOW ENERGY ECO START TECHNOLOGY EXTREMELY QUIET 25DB(A) DELAY START FOR TWO MINUTES AVOIDS UNNECESSARY USE (ESPECIALLY AT NIGHT), AND SAVES ENERGY POWER CONSUMPTION ONLY 5 WATTS LONGLIFE BALL-BEARING MOTOR WITH 40'000 HOURS LIFE TWO SPEED OPTIONS 75M3/HR AND 90M3/HR HIGH EFFICIENCY IMPELLER FOR DUCTING INSTALLATION 12MTR OF RIGID DUCTING BASIC SWITCHING, TIMER, HUMIDITY AND MOTION SENSOR VERSIONS INNOVATIVE "ROOM REFRESH" OPTION FOR PORGRAMMABLE VENTILATION CLIP-ON COVER FOR EASE OF CLEANING COMPLIES WITH LATEST BUILDING REGS APPROVED DOCUMENT F IP45 WALL OR CEILING BRAND NEW ON THE MARKET