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Ben Krasnow on Twitter: "I've been trying to make this glass vacuum diffusion pump work for my next video. It doesn't pump. Tried different silicone fluids, temperatures, backing pressures, gauges, etc. It's
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Clear And Clean Amazingly Functional Glass Hookah 7 Tall Varattle Jar With Diffusion Pump Glass Ball 19mm Fitting Gb446 Water Pipe Rattlesnake From Yingmin5, $35.38 | DHgate.Com
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