Module is available as a DIY project only.
This Module is currently available.
SSI 2144 based VCF
4 pole Low Pass Filter
Voltage control, including attenuators, of frequency & resonance
Input level control
Manual control of Frequency & resonance
Self Oscillating
Depth behind panel - 35mm
Power Consumption - +15V: 23mA/ -15V: 20mA
https://www.tindie.com/products/radiussynths/rad-02-2144-vcf/