Reddit reviews American Educational 7-302-13 Borosilicate Glass Graham Condenser with Coil-Form Inner Tube, 300mm Length
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Graham condenser used for distillation applications has coil-formed inner tube that increases surface area for cooling the condensed liquid for high-speed condensingBorosilicate glass for clarity, strength, and heat- and chemical-resistanceInlet and outlet tubes are on opposite sides of the tube300mm length
You should also look into glass coil condensers, here's a cheap one on Amazon that doesn't cost $150+ just to experiment with initially. I've also seen glycerin coil attachments for bongs before, and I found a site selling them while looking up the lab condensers.