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ZF-ZSL2 – 17mm PTFE Syringe Filter with Luer Lock (0.2μm/0.3μm)
In high-stakes lab workflows, a failed filter can corrupt an entire HPLC run. China’s Zhenfu has built a scalable production line around a 17mm PTFE unit that is turning routine solvent filtration into a reliable, standardized process.
The ZF-ZSL2 is a 17mm syringe filter with a hydrophobic PTFE membrane, housed in medical-grade ABS. It is available in 0.2μm and 0.3μm pore sizes, with female and male Luer Lock connections that ensure a secure, leak-free seal under pressure.
Its primary function is to remove particulates from aggressive organic solvents and strong acids before they reach sensitive analytical instruments. The PTFE membrane resists chemical attack and thermal degradation, making it a default choice for HPLC mobile phase preparation and gas filtration.
Each unit weighs just 1.5 grams, yet the engineering tolerances are tight: the 3-year shelf life and CE certification reflect a manufacturing process that prioritizes repeatability over cost arbitrage. Zhenfu’s facility in Rizhao, Shandong, runs a daily capacity of 20,000 units, which speaks to a production ecosystem geared for both domestic lab supply and export.
That output matters because the filter sits at a critical inflection point in the lab consumables supply chain. It is a low-cost, high-volume item, but its failure disrupts workflows and damages expensive equipment. Buyers increasingly look for consistency in pore size distribution, housing integrity, and membrane bonding — attributes that only scale with disciplined manufacturing.
Zhenfu’s willingness to offer no minimum order quantity and free samples signals a strategy aimed at displacing legacy brands through procurement flexibility. For labs that need reliable filtration without vendor lock-in, the ZF-ZSL2 represents a viable, technically matched alternative.
In lab logistics, the smallest components often reveal the largest system dependencies. This 1.5-gram filter is one of them.
Why it matters:
For procurement and lab managers, the ZF-ZSL2 offers a path to de-risk solvent filtration without sacrificing performance. Its CE certification and large-scale manufacturing base in China provide a reliable, cost-effective alternative to established suppliers.
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