I hadn’t heard of this until your post. I checked out their website and I’m not sure what it will add above and beyond the EtherRegen.
Based upon what it does, I’d place it between the EthereRegen and your Lumin. I’ve read forum posts about the psositive benefits of daisy chaining EtherRegens, or even using a Network Acoustics filter after the EtherRegen.
Speaking of the EtherRegen, adding an external clock made a big difference for me.