Effect pedal cover for Mad Professor Factory series pedal with 4 knobs. Forest Green Compressor, Snow White Autowah, Bluebird Overdrive, etc.
Model code: mpf4
Please note. Mad Professor hand wired pedals are slightly wider and have more rounded corners than factory series pedals. For best-fit use hand wired (HW) series covers for hand wired series pedals and factory series (Factory) series covers for factory series pedals.