3MM GP ROTAFLO STOPCOCK, Pack of 5

3MM GP ROTAFLO STOPCOCK
 
Stopcocks with excellent chemical resistance
With a borosilicate glass and PTFE pathway, these stopcocks are highly chemically resistant.
 
Rotary design for fine single drop control; invaluable on burettes
Borosilicate glass with PTFE key for excellent chemical resistance
No lubrication required - no seizure and no contamination
Temperature range -20?C to 200?C
Vacuum capability to 10-4 Torr
Increased barrel diameter for excellent drainage
Locking ring to prevent accidental removal
Ergonomic key for good grip and easy operation