Standard cotton-plug type, but plug is not supplied. N-51A glass. Designed from ASTM E1044, Style II requirements. Pipets are calibrated to tip; with volume adjusted for blowing out the last drop. Designated by a ground band near the top. Sizes 5 mL and larger are constricted to retain plug, but…

Calibrated "to deliver" N-51A borosilicate glass Not sterilized or cotton-plugged Size 10 mL has constriction near top, forming chamber in which protective cotton plug can be inserted 7536U86 contain five shelf packs of 100 each.

Kimble Kimax-51, APHA, Glass For milk and milk dilutions Blunt tip Calibrated to the tip, with volume adjusted for blowing out the last drop of undiluted milk or touching off the last drop of milk dilutions Fused-on markings provide sharp contrasts Size 1.1 mL is color-coded Tips are…