Zerostat: Old is Gold?


I was recently in the market for a Zerostat gun.  I looked online and saw that they had moved their production from England to China.  Of course, without any reduction in price.  As I try to avoid Chinese manufacture as much as I can,  I thought I would buy a used one on ebay.  I bid on a few auctions but was surprised to see them selling for around $50 for one in decent (but hardly new) condition.  The new blue Zerostats from China are $80 and up. 

Are the old Zerostats in some way superior to the newer Chinese made that would justify the (IMO) relatively high prices being realized for the original guns?
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You should check out ali express for CDs  and SACDs.  Some great discs to be had at super prices.  Many discs they offer there I have been unable to find elsewhere!
Agree with @lewm . Maybe one of the mags will do a review. I've used red ones, blue ones, old and new. Seem the same to me. Am I offending you @gromitinwa? That's life.
Blue one works better (as it should since the red one is 30+ years old and way over used:-)
I have my original Empire static gun, which I probably bought in the late 1970s.  Still seems to work, although I have read that there are parts inside these things that eventually wear out ("Good for 10,000 LP sides!").  

I would only buy used if there was some way to verify they still functioned correctly.

This is one of those devices that makes you wonder if some non-audio equivalent is out there that does the same thing at a fraction of the price.  Something like drum gels or Magic Erasure instead of Onzow Zerodust.

And... Amazon to the rescue:

https://www.amazon.com/TOOGOO-Cylinder-Elimination-Discharger-Anti-Static/dp/B00KBQCHZO/ref=sr_1_7?i...

Now we need someone to try one of these and see if it works!