... Item specification: Model Rated Voltage Rated Frequency Power Air output SRL12C 110-240V 50-60HZ 30W ≥140M3/H SRL24D 110V-240V ... /H Model Panel Size Mounting Hole Size Noise Air vent SRL12C 250X250mm 205X205mm ≤40db 100mm SRL24D 300X300mm 228X228mm ≤45db 100mm Model ... Packing Size Net weight Gross weight Package SRL12C 52.5X39X52.5cm 15kg 16kg 8pcs SRL24D 63X39X63cm 16kg 17kg ...