The 500 mL Bottle Top Vacuum Filter with a 0.22 μm polyethersulfone (PES) membrane is a high-capacity, high-efficiency solution for sterile filtration of cell culture media, buffers, and aqueous reagents. The PES membrane offers excellent flow rates, low protein binding, and reliable retention of bacteria and particulates—making it ideal for demanding lab workflows that require sterility and speed.
This unit is constructed from durable, lightweight plastic with clear graduation markings for precise volume control. The universal hose connector accommodates various tubing sizes, making it easy to integrate into standard lab vacuum systems.
Each unit is gamma-ray sterilized, individually packaged, and certified endotoxin- and pyrogen-free—ensuring safe and contamination-free operation for sensitive research, clinical, and pharmaceutical applications.
Product Features:
Membrane: Polyethersulfone (PES), 0.22 μm pore size
Volume capacity: 500 mL
Sterile: Gamma-irradiated
Low protein binding for maximum sample integrity
High flow rate and excellent throughput
Graduation marks for accurate volume measurement
Universal hose connector compatible with multiple tubing sizes
Strong, ergonomic design for easy handling and stability
Specifications:
Packaging: 1 unit per pack, 24 packs per case
Operating temperature: 4–37°C
Working pressure: 0.03–0.06 MPa (adjust as needed to reduce foaming)
Filter diameter: Typically 90 mm (suitable for 500 mL units)
Important Notes:
Certified endotoxin-free and pyrogen-free
For laboratory use only
Do not use if packaging is damaged
Warnings:
Only use with containers designed for vacuum applications
Not suitable for flasks or bottles larger than 2L
This 500 mL, 0.22 μm PES vacuum filter is a dependable and efficient solution for large-volume sterile filtration, combining speed, safety, and sample protection.





















