STERIFLIP FILTERS Compatible with 50 mL centrifuge tubes, Steriflip filters eliminate the liquid transfer step by integrating directly into the sample tube. To filter, attach the unit to the 50 mL centrifuge tube containing your sample, flip, and apply vacuum. The filtrate collects directly into the attached 50 mL tube. Three membranes are available:Millipore E x press polyethersulfone (PES) membranes are ideal for low protein binding and e x hibit faster flow rates with viscous solutionsDurapore...