... approved Specification: Model Rated Voltage Rated Frequency power Air Output SRL12R 110-240V 50HZ-60HZ 30W ≥140M3/H SRL24R 110-240V ... /H Model Panel Size Mounting Hole Size Air vent Noise SRL12R 250x250mm 205x205mm 100mm ≤40db SRL24R 300X300mm 228x228mm 100mm ≤45db Model ... Packing Size Net weight Gross weight Package SRL12R 52.5X39X52.5cm 15kg 16kg 8pcs SRL24R 63X39X63cm 16kg 17kg ...