Mutron HAZ auto wah envelope filter mutron III musitronics | Reverb
Zak Ward Buffalo - New gear! This is a note-for-note clone of the original Mu-Tron III envelope filter housed in a box the size of a Boss pedal. Made by a local
Ripper - Mu-Tron
Mu-Tron III Guitar Pedal Great Condition Vintage Envelope Filter – Still Kickin Music
Mu-Tron Musitronics III Envelope Filter - ranked #5 in Filter Effects Pedals | Equipboard