The Quantity 100 LVDA Lab -- 25 MM Pore Size 0.45 MCE Syringe Filter Micron is a high-quality product manufactured by SimPure in China. This non-sterile syringe filter with a 0.45 μm pore size and 25 mm outer diameter is made of polypropylene (PP) membrane material, providing efficient filtration for laboratory use. With a quantity of 100, this filter is ideal for medical, lab, and dental supplies, ensuring purity and clarity in your samples.