Pyrex® Automatic Burette, Class AS, with PTFE key, 10mL

Complies with ISO 385 and DIN 12700, Manufactured borosilicate glass 3.3, With automatic zero facility, 1.5mm bore PTFE key stopcock, All Automatic burettes feature a 29/32 cone., White enamel graduations, Burettes and accessories should be ordered separately, Simple operation
- To fill burette apply a slight positive pressure to lower side-arm
- To set zero, release pressure to allow excess liquid to siphon back into the bottle