Pedal Genie | DOD Envelope FIlter 440 | All Your Pedal Wishes, Granted
Guitar Pedal X - GPX Blog - Old Blood Noise Endeavors's ingenious Float Dual Moving Parallel Stereo Filter takes the Filter Pedal Format to new heights
FilterFX – 12dB/oct LP/BP/HP LFO filter with 8 waveshapes – Electric Druid