Complete units come with a bottle-top filter and a receiver storage bottle. Bottle-top filters have side arms fitted with quick-disconnect tubing adapters and screw securely into 33 or 45 mm neck size bottles. All filters are printed with catalog number, membrane material, pore size, lot number, and expiration date. All of these filters come with an asymmetric polyethersulfone (PES) membranes.

Graduated upper chambers hold from 250 to 1000 ml

Asymmetric PES membrane is an extremely clean, low-extractable, fast-flowing membrane

Provides excellent throughput and low protein binding of media and other solutions

0.2 μm pore size membrane provides a last line of defense against bacterial contamination