Bulb Pipettes | McMaster-Carr

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10 Products

Pipettes

Pair these pipettes with a pipette pump to transfer measured streams of liquid. Each pipette has a color-coded band that indicates capacity so you can quickly differentiate one from the next.

Soda-Lime Glass


Pipettes	Pipettes with Bulb

Soda-lime glass pipettes withstand cleaning chemicals, so you can sterilize them for repeated use. They provide a clearer view over time than polystyrene pipettes because samples won't stain them. These pipettes also have extremely tight tolerances to dispense the same amount of liquid each time, keeping your measurements precise. Choose a pipette based on the capacity you need to dispense.

			Pipette			Bulb
	Cap., ml	Accuracy	Dia.	Lg.	Color	Dia.	Lg.	Band Color		Each
Pipettes



		1	±0.006 ml	1/4"	11 3/4"	Clear	—	—	Blue	00000000	000000


		Pipettes with Bulb



				2	±0.006 ml	1/4"	13"	Clear	3/8"	2 15/16"	Orange	00000000	00000


				5	±0.01 ml	1/4"	15 3/4"	Clear	1/2"	4 1/2"	White	00000000	00000
				10	±0.02 ml	1/4"	17 1/4"	Clear	5/8"	5 1/8"	Red	00000000	00000
				25	±0.03 ml	1/4"	20 1/2"	Clear	15/16"	5 1/2"	Green	00000000	00000

Pipettes with Pump

Bulb

Transfer measured streams of liquid.

Bulb—Bulb pipettes require two hands.

		Pipette				Pump
Cap., ml	Graduations, ml	Dia.	Lg.	Material	Color	Lg.	Material		Each







			Bulb

			10	0.1	3/8"	13 3/4"	Borosilicate Glass	Clear	4"	Vinyl Plastic	00000000	000000

Pipette Bulbs


Bulb	Bulb with Control Valves

The simplest form of a pipette pump, these bulbs let you control flow as you quickly draw and dispense liquid. Use them with two hands to ensure they don’t separate from pipettes (not included).

Vinyl Plastic—Vinyl plastic bulbs are more chemical resistant than natural rubber bulbs, helping them resist degrading if you accidentally draw chemicals up into them.

Control Valves—Bulbs with control valves are more precise than bulbs without control valves. They have three valves—one empties air from the bulb, one suctions liquid into the pipette, and one empties the pipette.

		Bulb
	For Pipette Cap. Range, ml	Dia.	Lg.	Material	Color	Features		Each
Bulb



		5 to 50	1 15/16"	3 15/16"	Vinyl Plastic	Blue	—	0000000	000000


		10 to 100	2 3/16"	5 7/8"	Natural Rubber	Red	Control Valves	0000000	00000

Pipette Pumps

Bulb

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. Use them with a pipette (not included).

Bulb—Bulb pumps have a lever to set both the aspirating and dispensing speeds. Press the button above the lever to blow out any residual liquids.

		Pump
	For Pipette Cap. Range, ml	Lg.	Material	Removes Particle Size Down To, μm	Body Material	Autoclavable	Features		Each
Bulb



		0.1 to 100	8"	Silicone Rubber	3	ABS	Yes	Filter	000000	000000

Replacement Filters