New pots for original First Watt B1

I'm thinking about replacing the volume control pots in my original First Watt B1 (Buffer Preamp).
Anyone can recommend a fully compatible and proven solution for the B1 I can order in the USA?
Can be stepped pots or just regular, just want them to last long without making noise like the old used ones.
Thanks

*images of my OG first watt b1
 

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