... approved Specification: Model Rated Voltage Rated Frequency Power Air Output SRL12L 110-240v 50HZ-60HZ 30W ≥140M3/H SRL24L 110-240v ... /H Model Panel Size Air vent Mounting Hole Size Noise SRL12L 250X250MM 100MM 205X205MM ≤40db SRL24L 300X300MM 100MM 228X228MM ≤45db Model ... Packing Size Net weight Gross weight Package SRL12L 52.5X39X52.5cm 15kg 16kg 8pcs SRL24L 63X39X63cm 16kg 17kg ...