These bottles have a squeeze-bulb dropper attached to the lid.

Cover the top opening with your thumb to control the flow of liquid one drop at a time.

Draw and dispense liquids at a controlled speed. These pumps give you more control of flow than a basic pipette bulb but not as much as an electronic pump.

Pair these pipettes with a pipette pump to transfer measured streams of liquid.

The simplest form of a pipette pump, these bulbs let you control flow as you quickly draw and dispense liquid. Use them with a pipette.

Dispense a sample many times without refilling your pipettor. These tips are designed for use with repeat dispensing pipettors.

Dispense a sample many times without refilling your pipettor. No need to autoclave these tips before first use—they’re cleaned and bagged to prevent contamination.