Special offer! Chromacol’s Econofil Syringe Filters are premium quality products for HPLC and GC Sample Preparation. The three syringe filter sizes: 4mm, 17mm and 30mm diameter, offer increased throughput, lower backpressure and a more consistent performance. Our range of carefully controlled membranes in 0.45µL and 0.20µL porosity are available in Nylon, PVDF, PTFE, PES, glass microfibre and cellulose derivatives. The housings are all polypropylene with good solvent resistance. The 30mm version exhibits excellent volumetric throughput with up to 50% more flow than equivalent 25mm diameter filters.