Available as an assembled Module and as a DIY project.
This Module is currently available.
MFOS Phaser
Synthcube's Eurorack MFOS Phaser
https://synthcube.com/cart/music-from-outer-space/mfos-eurorack-modules-1569572042/mfoseuro-vco-freq-1627029962
2 Users are observing this
These merchants probably sell this module. Huh?
Included in 32 Racks, 16 are public:
MFOS MFOS PHASER Eurorack Module