Whatman
Pura Disc 4 mm PVDF Syringe Filters, 0.2um, 50 Pk SKU: 6791-0402

Polyvinylidene Difluoride (PVDF) Syringe Filters, 0.2µm, 4mm - 6791-0402

Designed for the stringent demands of cell culture and biological assays, the Polyvinylidene Difluoride (PVDF) Whatman Puradisc, 4mm, Polyvinylidene Difluoride Syringe Filter, sterile, 0.2µm 50/pk offers validated bacterial retention for confident sample preparation. Central to this performance is a hydrophobic Polyvinylidene Difluoride (PVDF) membrane with a precise 0.2 pore structure that ensures the complete removal of bacteria and fine particulates. Designed to facilitate rapid processing, the housing features an optimized flow geometry that minimizes backpressure, allowing for easier manual filtration even with viscous samples. Meeting the needs of regulated environments, this series supports compliance with stringent purity protocols across pharmaceutical and environmental applications.

Key Polyvinylidene Difluoride (PVDF) Membrane Characteristics

• Polyvinylidene Difluoride (PVDF) membrane with hydrophobic or hydrophilic affinity
• Ultra-Low Protein Binding characteristics
• Excellent resistance to HPLC solvents and oxidation
• High flow rates for clarified solutions
• Verified 0.2 retention rating for clarification

Key Housing Characteristics

• High-purity Polypropylene encapsulation housing
• Luer-Lok/ Luer Slip for secure fitting
• 0.2cm² effective filtration area
• <10µl holdup volume to minimize sample loss

When you integrate these filters into your daily standard operating procedures, you are choosing a workflow that prioritizes efficiency without compromising results. Protecting your downstream processes requires a defensive strategy, and utilizing these verified filters gives you the peace of mind that your work is safe. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.

For more information about chemical and material compatibility, please review our Chemical Compatibility Chart.

Bubble Point (psi)

1.8 bar (26 psi)

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

4mm

Filtration Area

0.2cm²

Holdup Volume

<10µl

Material

Polyvinylidene Difluoride (PVDF)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

100°C

Pack Count

50

Pore Size (µm)

0.2

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 2ml

Wetability

Hydrophobic

• Clarification of Biologicals - Perfect for removing particulates from biological fluids without removing the target biomolecules
• Western Blotting - Optimized for use in preparing samples for downstream blotting techniques where purity is paramount
• Protein Analysis - Ultra-low protein binding ensures that your expensive protein samples are not lost to the filter matrix
• HPLC Sample Prep - PVDF provides a great balance of chemical compatibility and low background noise for sensitive UV detection
• Biological Fluid Analysis - Protects sensitive downstream instruments from filtering contaminants that can cause system failure
• Analytical Sample Prep - Optimized to ensure data integrity by effectively filtering contaminants before instrumental analysis