Specifications:Material: PPColor: WhitePattern Optional: <10inch, >10inch, 12inchVoltage: 220V 50HzPower: 37W(10inch), 49W(12inch)Air volume: 3.5m³/min(10inch), 4.0m³/min(12inch)Suitable Area: 10-25гЋЎSize: (L)X(W)Type A: <10inchPanel Size: 25x25cm /9.84"x9.84"(appr.)Opening Size: 23.5x23.5cm /9.25"x9.25"(appr.)Type B: >10inchPanel Size: 25x25cm /9.84"x9.84"(appr.)Opening Size: 25.5x25.5cm /10.04"x10.04"(appr.)Type C: 12inchPanel Size: 30x30cm /11.81"x11.81"(appr.)Opening Size: 29.5x29.5cm /11.61"x11.61"(appr.) Features:в—Џ Fresh air brings healthy life.в—Џ Made of PP material, not easy to deformation, long life.в—Џ Effective cooling, fast speed, ultra-quiet.в—Џ It can exhaust the exhaust air, damp air, the steam and the smoke in the houses, rooms, shops, hotels, restaurants etc.в—Џ Suitable for gypsum board ceilings, wooden ceilings, PVC ceilings, plastic panel ceilings, etc. Package Included:1 x Ceiling Exhaust Fan (excluding other decorations) Instruction is not included. Please feel free to contact us if you have any questions. Hope a nice day! Notice:Please allow slight deviation of measurement due to manual measurement.Due to different producing batches, product details might be a little different.Due to different monitors and different light, the picture may not reflect the actual color of the item.Please consider the actual sizes shown in the listing as the pictures are generally enlarged to show detail.