I have a like new MXR M82 Envelope Filter For Sale. I would love to keep it but generating some funds and some of my gear needs to move. Not a mark on it and used maybe 15-20 min at my home studio. These are $149.99 http://www.musiciansfriend.com/amplifiers-effects/mxr-m82-bass-envelope-filter-effects-pedal $100 Shipped Lower48/USA Only. No Trades, sorry. PayPal Only. Thanks!