Fine Tip—Fine tip droppers help you dispense very small volumes. They’re often used with fast-flowing liquids, such as water and gasoline.

Removable Bulb—Removable bulb droppers are easy to clean.

Soda-Lime Glass Stem—Soda-lime glass droppers are easier to see through than plastic droppers, and they’re less likely to stain. They withstand chemicals, so you can sterilize them for repeated use.

Sterile—Sterile droppers are individually cleaned and bagged to avoid contaminating your sample.

Graduations—Droppers with graduations have molded markings that won’t fade or wash off.