Out of interest, are you getting 50 micron out of preference, or due to budget / availability.
I'd be on the 'yes' list *IF* it was 35 micron.
No preference. (both 456).
I will get a price on the 35 tomorrow. Being longer, I suspect others may prefer it. (particularly those with 15ips)
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BTW - shipping from Holland will double the unit price. But still 50% cheaper than anywhere else.
Brgrds.