Quest 70 Overhead DehumidifierNOTE: This is a purchase to order item Overview Remove up to 75 litres of water a day on an ultra low wattage with a Quest Overhead Dehumidifier. In terms of litres kW, this is the industry leader. Invest now and you'll save later. To save floor space, you can suspend it from your grow room ceiling it's light and compact enough. Any water removed is outputted as RO water you can reuse it! Low running costs (litres kW) Removes up to 26 litres per day