The Fumex LF 50 portable filter includes the model FF 50 fan complete with speed control. The filter is available in 2 versions, Particle/Gas and Gas filter. For ease of selection and installation LF is available as 6 complete kits, type LFK. The FF 50 fan can also be used without a filter as a separate unit with a bracket for use in combination with the Fumex range of small extractors. Can also be used as a separate unit in combination with the LF VK bracket and the Fumex range of small extractors.