The K-series built on the success of the previous generation of in-line filters. With various lengths, and diameters, these filters can be tailored to fit your specific needs. Available with quick connect fittings, as well as female pipe thread, the already simple and effective design can be installed in seconds. The K-Series 2” diameter filters are available in 6” and 10” lengths, and the 2.5” diameter filters are available in 6", 8", 10", 12" or 14" lengths.