Whatman 10462260 Cellulose Acetate Puradisc 30 Sterile Syringe Filter, 1.2 Micron (Pack of 50) 1.2m; produced from pigment-free polycarbonate Standard inlet (female luer lock) and outlet (male luer) connections (unless otherwise stated) Optional sterile, medical-grade blister pack for critical applications Tube tip outlet for accurate dispensing into a micro-vial, eliminating air lock Sterile