I recently bought an estate Mastro De Paja Special Pesaro Gigante pipe and it is built for a filter, but when I tossed in my Obetis 9mm filter, there is a gap and it slides around. Not a huge gap, but it appears to be a 10mm hole. I haven't ever seen anything like this and not finding much information online yet about this particular pipe. Thanks for any information or ideas!
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