ventilation exhaust fan, hg power 4'' strong exhaust extractor fan wall mount & ceiling exhaust fan built-in household ventilation fans (pi370) hg power <b>specification:</b> <br><br>motor power: 14w <br>air flow(m2/h):80 <br>noise: 33db <br>install space(d:mm): 100 <br>front panel: 168*168mm <br>panel width: 36mm <br>install size: 69*98mm <br><br><b>note:</b> <br><br>1. waterproof abs plastic material; 14w input; noise 33db. <br>2. 100% copper coil motor and install size: 69*98mm. <br>3. 4 inch, suit for kitchen or bathroom with 110v <br>4. with 3x0.5mm2 power cord and front panel: 168*168mm. <br>5. great perfect square design strong exhaust extrator ventilation. <br><br><b>note:</b> this product without plug. you can diy what you want.