Resonant low-pass gate with variable filter slope, RC envelope generator, and slew
https://www.noiseengineering.us/shop/sinc-bucinaThis offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onSinc Bucina Low pass gate/VCA and envelope generator combined in one small handy module. Three different slope settings for the low pass gate so you can tweak the response and with separate ping and gate inputs to trigger the envelope. Come with a noise engineering box (not original) power cable and screws.

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