Multi-barrel glass capillaries

Double barrel borosilicate glass without filament

Multi-barrel borosilicate glass with filaments and 2, 3, 4, 5, or 7 barrels

Sutter Instrument Multibarrel Borosilicate Glass without Filament

Sutter Instrument Multibarrel Borosilicate Glass with Filament

Theta borosilicate glass

Multibarrel quartz capillaries

Theta quartz capillaries