Diaphragm Oil Free Vacuum Pump joint these tubes are a must

these tubes are a must for many glassblowing techniques

Tubing Fused Quartz is the perfect choice for scientific and industrial applications

pH Electrode Model CA 11 or CAB 11 by Toshcon

Material: Metal

but small amounts might not be distinguishable

Diaphragm Oil Free Vacuum Pump joint these tubes are a mustThis Diaphragm Oil Free Vacuum Pump offers a sophisticated, contamination free vacuum source ideal for laboratory use. Its diaphragm based construction eliminates the need for lubricating oils, preventing sample contamination and maintaining a clean working environment. This oil free system makes it the perfect choice for analytical chemistry, research, and medical labs that require uncompromised sample purity. Oil free vacuum pump: vacuum and