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2 Pcs Rubber Pipette Filler
Labs rubber bulb pipette filler made from all natural rubber
Pipette Filler has three valves that each containing a chemical-resistant stainless steel ball. a bulb and three pinch valves controlling influx and efflux of pipette contents.
Pipet bulb size:5.4cm(2.1'')in diameter, 13cm(5.1'') in total length. Will accommodate pipettes up to 50ml.
Suitable for use in industrial and mining enterprises laboratory, agricultural research laboratory, food laboratory, experimental chemistry laboratory, teaching chemical laboratory and other unit departments
Pipette filler is a good laboratory assistant for use with pipettes. Despite the widespread use of pipettes, it does not replace the role of pipettes as a classical quantitative pipetting solution, especially for liquid volumes greater than 1 ml.
package
Al in Gloucester Va.
Reviewed in the United States on January 12, 2025
Easy to use in lab analyses
Unhappy customer 2023
Reviewed in the United States on September 17, 2024
Comes as a package of two. Product is as advertised and fits the pipettes properly. However, one of the three values on one of the bulbs is very stiff and (perhaps malformed?) and difficult to compress. The other valves work fine. And, the second bulb is perfect for my use, so generally I'm happy to use this product for back sweetening a batch of wine.
John Shiplette
Reviewed in the United States on March 5, 2024
Did not work as hoped
Timothy Rathbun
Reviewed in the United States on January 29, 2024
Product was shipped and delivered very quickly and was made of good quality materials. Thank you !
Jacob A.
Reviewed in the United States on August 27, 2023
Way cheaper than VWR and seem to work the same as other of these for pipetting.
Anya
Reviewed in the United States on March 9, 2023
One pipette bulb worked while the 2nd did not allow the liquid to be expelled. It appears that the opening to the empty valve is not open to the atmosphere.
Matt
Reviewed in the United States on December 1, 2023
Got this to use with my pipettes that came with bulbs. Those bulbs were very hit or miss, often not filling the pipette to its maximum markings.I've used both of these so far, and they fit all my sizes (from like 1 mL to 10 mL) with no issues. They work great.
Roger D. Wynn
Reviewed in the United States on August 2, 2022
I read the reviews yet decided to try the bulbs. My take on the item is good rubber material but poor valves on the "s" suction and "E" escape valves. I am no weakling but could not get those valves to open pressing with all my might using one hand. I needed two hands pressing four fingers to get them to operate. This is too risky pipetting in glassware or dangerous chemicals. I understand why people said the valves were defective. Well they did work but hurt my fingers from sustained pressing. I gave up returned the item and purchased a brand name item. I had just wished those valves operated like the "A" Air valve did.
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