Whatman Puradisc GF/F Syringe Filters - 25mm Puradisc™ syringe filters combine premium quality and economy. They are ideal for the quick, efficient filtration of samples up to 100 ml volume. Puradisc filters are produced from pigment-free polypropylene or polycarbonate with standard inlet (female luer lock) and outlet (male luer) connections (unless otherwise stated). Options include a sterile, medical-grade blister pack for critical applications and a special tube tip outlet that allows the sample to be accurately dispensed into a micro-vial, eliminating air lock. Diameter: 25mm Pore Size: 0.7µm Housing: Polypropylene Filtration area: 4.2 cm2 Maximum pressure: 5.2 bar (75 psi) Volume 'Hold Up' full housing with air purge: < 100 µl Dimensions: 22.9 x 28.4mm Weight: 2.7g Volume throughput: up to 100ml Inlet connection: Female luer lock Outlet connection: Male luer Sterlization: Autoclave at 121ºC (131ºC max) Units: 200 Filters Applications HPLC aqueous sample preparation Biological sample preparation Buffer solutions Salt solutions Tissue culture media Irrigation solutions Sterile isolation