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Reliable 3.1 cu.ft. undercounter freezer with digital control, R290a refrigerant, ideal for low-temp bioprocess storage.
The K2 Scientific K204SDF-SL is an undercounter laboratory freezer engineered for reliable low-temperature storage essential in biotechnology, molecular diagnostics, and biomanufacturing workflows. Featuring a 3.1 cubic feet effective volume, it offers organized sample and reagent storage with three wire shelves.
Key technical specifications include:
This model is widely used in clinical diagnostics and biotechnology research settings, facilitating stable storage conditions for sensitive biomaterials and reagents. Its compact, undercounter design maximizes lab space efficiency while supporting rigorous biomanufacturing and synthetic biology applications requiring consistent low-temperature environments.
Ideal for researchers and laboratory professionals needing dependable refrigeration solutions integrated into molecular biology and cell imaging workflow environments.
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 464 with a price runs from €67 to €7,598.
