KlirrFactory FILTA

FILTA is a stereo doubly-resonant Lowpass Filter based on the work on Will Pirkle. For more information check the Link 😉
This special fun with this filter is to have 2 resonant frequencies (instead of one).

http://klirrfactory.com/product/klirrfactory-filta-free-vst2-vst3-au-plugin/