Replacement Washer for 25mL/Red Pipette Pump Pipettor (F37899-0000), Set of 3

Details

Thumb wheel rotated to raise or lower plungerPolypropylene housing, with silicone rubber sealsSyringe-type, for easy, one-hand control of filling and delivery from conventional pipets. For rapid delivery, plunger can be depressed directly. Tapered-plastic chuck grips mouth end of pipet. Can be disassembled for cleaning. Offered in four color-coded sizes.Rapid-release lever for quick emptyingFor pipettes that calibrate to the tip, but retain the final dropProvides easy, accurate pipetting. Features a rotating, knurled thumb wheel for drawing up or dispensing liquid. Elastic chuck with threaded collar grips glass or plastic pipettes securely.