Stereo flanger is a fun time, and this one is the classic option. Works nicely as a chorus too if you're a versatile sort. The goal was to get that Axis: Bold as Love kinda texture going, and this nails the vibe. 

Model: Electro-Harmonix Stereo Electric Mistress
Made: USA, recent model
Type: flanger
Power: 9v DC negative supply (included)
Equivalent new street price (approx): $299aud
Mods: none
Accessories: original box and manual
Condition notes: used, no major marks, very good condition