Two reverbs, simultaneously if you like, with a whole swathe of lush genres to choose from. Source are one of the best around when it comes to time-based stuff, so this sounds gorgeous. It's easy to drive too. 

Model: Source Audio Ventris Dual Reverb
Made: China, recent model
Serial: N/A
Type: reverb
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: original box

Condition notes: used, no major marks. Tested and fully functional.
Overall: excellent condition (9/10)