250 mL Bottle Top Vacuμm Filter, 0.45 μm, PES, Sterile, 1/pk, 24/pcs

The 250 mL Bottle Top Vacuum Filter with a 0.45 μm polyethersulfone (PES) membrane is ideal for rapid, sterile filtration of buffers, culture media, and other aqueous solutions in research and laboratory environments. The PES membrane provides low protein binding and excellent flow rates, making it suitable for high-throughput processing with minimal sample loss.

Built for convenience and reliability, this unit features a strong yet lightweight housing and clear graduation markings for precise volume control. The integrated hose connector is compatible with a variety of tubing sizes, ensuring easy setup with standard lab vacuum systems.

Each filter is gamma-irradiated and individually packaged to ensure sterility. Certified endotoxin- and pyrogen-free, it’s ready for immediate use in sensitive workflows where purity and speed are essential.

Product Features:

Membrane material: Polyethersulfone (PES)

Pore size: 0.45 μm

Volume capacity: 250 mL

Sterile: Gamma-ray sterilized

Low protein binding for optimal sample recovery

Fast filtration speed for high-throughput workflows

Graduated bottle markings for accurate volume measurement

Universal hose connector fits various tubing sizes

Durable, ergonomic design for easy handling

Specifications:

Packaging: 1 unit per pack, 24 packs per case

Operating temperature: 4–37°C

Working pressure: 0.03–0.06 MPa (adjust if foaming occurs)

Filter diameter: Typically 50 mm (standard for 250 mL units)

Important Notes:

Certified endotoxin-free and pyrogen-free

For laboratory use only

Do not use if the packaging is damaged

Warnings:

Only use with containers rated for vacuum applications

Not suitable for use with flasks larger than 2L

This 250 mL, 0.45 μm PES vacuum filter offers a dependable solution for sterile filtration needs where speed and convenience are key.