Passive shunt mains filter.  High Quality extruded anodized aluminum case.
This is the top of the line HiRez Jaya filter.
Ultra-wide bandwidth passive shunt filter with enhanced acoustic absorption and RFI/EMI reduction/absorption. 
Solid core 4n silver conductors with Teflon insulation. 

Review: 

https://theaudiophileman.com/vertex-aq-stage-1-system-first-step-journey/

I'm the original owner.

Retail Price: £1,200
Asking Price: $SOLD

Shipping with EMS Worldwide from Israel.
PayPal please add 4.4%-5.4% depends on the buyer location.
I can also accept Wise, which has lower fees than PayPal.