Nasco Bag Filter Blender St Pk250 B01416WA Unit PK. Filter Hole Size Is .33 Mm Or 330 Angstroms. Filter Is Sealed Into The Sides And Bottom Of The Bag Sample Can Go On Either Side Of The Filter. 10X15 Inch (25.4 X 38 Cm). Capacity 2700 Ml. 250 Per...