Classic straight cylinder tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm green glass slide bowl with large marble rollstopperP...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm black glass slide bowl with large marble rollstopperPure Gl...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm blue glass slide bowl with large marble rollstopperPure Gla...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm blue glass slide bowl with large marble rollstopperPure Gla...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm clear glass slide bowl with large marble rollstopperPure Gl...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm clear glass slide bowl with large marble rollstopperPure Gl...
Classic beaker base tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm green glass slide bowl with large marble rollstopperPure Gl...
Classic straight cylinder tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm black glass slide bowl with large marble rollstopperP...
Classic straight cylinder tube, from Pure Glass!High quality borosilicate glass18.8mm > 14.5mm slitted diffuser downstem14.5mm blue glass slide bowl with large marble rollstopperPu...