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250mL glass dropping funnel with PTFE stopcock and angled stem for precise liquid addition without lubrication.
The Kimble KIMAX 250mL Dropping Funnel is a precision glassware instrument designed for controlled, dropwise addition of reagents in chemical and biotechnological laboratories. Featuring a chemically resistant PTFE stopcock, this funnel operates smoothly without lubrication, eliminating contamination risks important for molecular diagnostics and synthetic biology workflows.
Key technical features include:
This dropping funnel supports critical workflows in gene editing experiments, live-cell assays, and molecular cloning workflows by ensuring exact reagent dosing and maintaining sample integrity through contamination-free valve operation.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 19 October 2026
The middle half of the 170 with a price runs from €46 to €347.