[10] 10 mL Dropper Bottles [Refractometer Calibration]
10 x 10 mL – 1/3 oz LDPE Dropper Bottles.
Lots of uses for these, the homebrew application that came to mind to me was… use for distilled water and keep with your refractometer for refractometer calibration.
TOOGOO(R) 10 Pcs 10 ML 1/3 OZ LDPE Plastic Childproof Dropper Bottles Oil Lotion