2500 Series Dual Envelope Generator Module for Eurorack
https://www.behringer.com/product.html?modelCode=P0E8W&fbclid=IwAR3DMI5n6X6BChVkS7f9gW3VhuLPYxhKq8pcXijB05zEq8c5XttVMXpIJ-Y
This Module is currently available.
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