GB Silent-Max FansSpecially designed to deliver high airflow but with low noise levels, the GB Silent Max Fan has a two-speed built-in controller, which makes it one of the most versatile fans on the market.The GB Silent Max Fan range is a crucial element in a thriving urban garden and is made from the same components as high-end brands but for a more affordable price.Each fan has an outer casing with a thick layer of insulation foam lining around its inside, providing excellent sound protection.Made from durable, lightweight materials, these fans are highly reliable and will stand the test of time.Specifications10/250mmAir Flow – 2310CM³/HOutput Power – 320wCurrent – 1.2AFan Speed – 2900RPMWeight – 14kgStatic Pressure 20PaSize – 30x30x68cmSpeed Settings – Low or HighController – Built InCable Length – 1.5m12/315mmAir Flow – 3260CM³/HOutput Power – 320wCurrent – 1.3AFan Speed – 2900RPMWeight – 20.0kgStatic Pressure 20PaSize – 35x35x68cmSpeed Settings – Low or HighController – Built InCable Length – 1.5m