32mm Magnetic Vacuum Hose Coupler
Description
This is intended for vacuum or extractor use to temporarily, but rapidly and reasonably securely, couple two lengths of 32mm reverse-threaded vacuum-cleaner hose together - my use-case is for extraction flow that crosses a couple of infrequently-closed doors (but obvs I'd still like to be able to pull the link and have the option of doing so) The aim here is for the magnets to provide the pull to seat the cone of the "M" side against the groove in the "F" side, so by design there is a ~1mm gap between the main faces of the coupler. This was designed for 12mm cylindrical magnets, 4.75mm deep (because that was what I had...), but a shorter depth shouldn't matter as they're a very snug press-fit and you may not need glue or spacers.
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