Industrial and Commercial Humidifier - Applicable to an area of 2000sq.ft: large conference rooms, flower shops, flower fields, fruit and vegetable supermarkets, tobacco, fruit and vegetable greenhouses, gym, yoga, factories, warehouses. What is the difference between the 【Normal version】 and the 【plus hose】? --Different way of adding water【Normal version】--Open the top cover and pour water directly into the water tank【plus hose】 --1. Open the top cover and pour water directly into the water tank; --2 use a water pipe to connect the faucet and the humidifier water tank, the machine automatically adds water, and it stops when it is full. Product size: 12*10*24.4inchCapacity: 23.8 L (6.2 Gallon)Rated power: 110WVoltage: 110V/50HZFog Volume: 2000ml/hRecommended area: 150~200㎡ (1600~2100sq.ft)Safety Protection: Water shortage and power failure protection***Matching Pipe Diameter: 75mm, please purchase the matching pipe by yourself.