Alorair Sentinel Dehumidifiers Keep excess moisture under control with an Alorair Dehumidifier. These units remove a LOT of liquid from the surrounding atmosphere, bringing relative humidity levels back into optimal ranges, even in the most demanding settings. High humidity will inevitably slow down plant growth, negatively affecting yields and facilitating the development of mould and mildew. Invest in an Alorair Sentinel and you can insure that this is never an issue. Removes excess water from the grow space Prevents issues with mold and mildew Built to last — designed for use in industrial settings Great for drying out clothing, goods, etc. Available in three sizes Will need to be used with a separate tank Please note: This item is purchased to order which may cause slight additional lead times for delivery and local collection. Alorair dehumidifiers come in three sizes: HD55: up to 113 pints per day (64 litres) HDi90: up to 198 pints per day (113 litres) HDi120: up to 235 pints per day (133 litres) You can spec your Alorair Sentinel dehumidifier according to the volume of water that you'll need to remove from the grow area each day, or you can go by area. These are the manufacturer's recommendations: HD55: covers an area of up to 111m2 (10.5m x 10.5m) HDi90: covers an area of up to 242m2 (15.5m x 15.5m) HDi120: covers an area of up to 307m3 (17.5m x 17.5m) Alorair Sentinel HD55 Manufacturer's warranty: 1 year parts and 5 year compressorCurrent: 4.0 ACOP: 2.27 L / kWhArea: up to 111m2Filter: MERV-1 FilterAirflow: 205 m3/hSound level: