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ZF-ZSL2 – 17mm PTFE Syringe Filter with Luer Lock (0.2μm/0.3μm)
In analytical chemistry, the syringe filter is a consumable so routine it rarely receives scrutiny—yet its specifications directly determine the reliability of HPLC results. The ZF-ZSL2 from Zhenfu reveals how Chinese manufacturing is standardizing this critical interface.
A 17mm PTFE membrane housed in medical-grade ABS, the ZF-ZSL2 is built for the filtration of aggressive organic solvents, strong acids, and gas samples. Its hydrophobic PTFE membrane resists chemical attack while maintaining thermal stability—essential when preparing HPLC mobile phases or clarifying reactive compounds. The dual pore size options (0.2μm and 0.3μm) let operators match filter resolution to particle burden without over-specifying.
The Luer Lock inlet and outlet ensure a secure, leak-free connection to standard syringes—a small but meaningful operational detail. At 1.5 grams, the filter imposes negligible dead volume, preserving sample integrity during low-volume work. CE certification confirms compliance with European medical device regulations, a prerequisite for labs sourcing consumables across borders.
Zhenfu’s production facility in Rizhao, China, runs at 20,000 units per day, a scale that supports the no-MOQ ordering and free sample policy listed on the product page. This combination—industrial throughput with procurement flexibility—is increasingly common among Chinese component manufacturers serving global research and quality-control labs.
For buyers, the real value lies not in a single filter but in the consistency of supply and specification across batches. A three-year shelf life and stock availability reduce the risk of workflow interruptions. The complimentary sample policy allows labs to validate performance before committing to bulk orders—a practical hedge against incompatibility.
The ZF-ZSL2 is a reminder that in laboratory infrastructure, the most impactful innovations are often the least visible.
Why it matters:
For labs processing HPLC samples or aggressive solvents, the ZF-ZSL2 removes a variable from the analytical chain. Consistent pore size, chemical resistance, and leak-free connections reduce rework and instrument downtime—factors that compound across high-throughput environments.
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