The cell lysate (after centrifuge) I worked on needed to be filtered by 0.22 µm filter. But when cell lysate volume is more than 3 ml, it will need several 0.5 ml 0.22 µm filter and spin a long time, like 20 min. It cost a lot of money and time. When I use this Sterile, 50 mL process volume, 0.22 ... read more