Specification:  Product name: Powerful Low Noise Ventilation Extractor Exhaust Fans;  Material: High quality PP;  Weight: 1.2/1.4/1.7/2.2KG;  Noise: 40/45/50/55decibels;  Power: 25/30/45/50W;  Voltage: 220V,50HZ;  Size: 6/8/10/12inch(optional);  Product size:  S: 235*235*125mm;  M: 295*295*140mm;  L: 335*335*140mm;  XL: 395*395*150mm.     Feature:  - High quality PP material,not only durable but also practical.  - With our product,you do not have to worry about that the smell of kitchen smoke is too heavy, the office air is turbid and airtight, and the bathroom is prone to moisture for a long time.  - High quality exhaust fans covers a large angel of area,sucking in all thing and taking away troubles.  - Silent design is ultra comfortable for your ears,and it can provide you a quite and happy life.  - With larger fan leaves,it can be of lager angel of area and larger airflow.     Package included:  1x Exhaust Fans.