Secret Jardin DF16 EC Extractor FanSecret Jardin have developed a new extraction fan that's flexible in so many ways. The fan is designed to run at a maximum extraction of 350m3 hr but has a control knob to reduce the speed to 250m3 hr, 150m3 hr or anywhere in between. Secret Jardin also have carbon filters that match these parameters that will connect to this fan. This means the DF16 extractor fan will suit any sized tent up to 1. 2m x 1. 2m and there's a filter that will match. This