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ZF-ZSL2 – 17mm PTFE Syringe Filter with Luer Lock (0.2μm/0.3μm)
In high-throughput analytical labs, a syringe filter is not a commodity — it is a critical control point between sample preparation and instrument reliability. The ZF-ZSL2 from Zhenfu exemplifies how a seemingly simple consumable enforces consistency across chemical workflows.
The ZF-ZSL2 is a 17mm PTFE membrane syringe filter housed in medical-grade ABS, with a female-to-male Luer Lock interface. Available in 0.2μm and 0.3μm pore sizes, it is engineered specifically for the filtration of aggressive organic solvents, concentrated acids, and gas samples — tasks that degrade standard nylon or PVDF membranes.
PTFE’s inertness and thermal stability here translate into two operational realities: no leachables in HPLC mobile phases, and no membrane collapse under pressure. For labs running high-sensitivity chromatography, this directly reduces column fouling, extends instrument uptime, and ensures batch-to-batch reproducibility of retention times.
Zhenfu manufactures these filters at a facility in Rizhao, Shandong, with a daily output of 20,000 units under ISO-accredited conditions. Each unit carries CE certification, signaling alignment with European medical device standards — an important benchmark for export-oriented procurement.
The product is stocked with no minimum order quantity and free samples upon request — a procurement model that lowers the barrier for small labs and R&D teams. This flexibility, combined with high-volume production, positions the ZF-ZSL2 as a bridge between cost-conscious purchasing and performance-critical filtration.
What makes this filter worth noting is not just its specs, but what it represents: a standardized, certifiable consumable produced at scale in China, ready to slot into global analytical workflows without friction.
Why it matters:
For labs handling aggressive solvents or gas filtration, the ZF-ZSL2 removes a common failure point — membrane degradation. Its zero-MOQ availability and CE certification make it a practical choice for both small-scale method development and high-volume routine analysis.
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