Can-Fan centrifugal fan range is manufactured using quality German components. The fans feature solid metal powder coat housing and a reverse curve blade design offering low noise and high output. The centrifugal motion spirals the air for maximum flow rates in high pressure situations. RS 125 Can-Fan max output L/sec 70. The Can-Filter with a 125mm Flange are for the control of odour problems in your grow room. Connect a Can-Filter to Can-Fan RS125 and all of your bad odours will be absorbed.