Whatman
Pura Disc 4 mm PVDF Syringe Filters, 0.2um, 100/Pk SKU: 6779-0402

Polyvinylidene Difluoride (PVDF) Syringe Filters, 0.2µm, 4mm - 6779-0402

Ensuring the biological integrity of sensitive media begins with reliable filtration, and the Polyvinylidene Difluoride (PVDF) Whatman Puradisc, 4mm, Polyvinylidene Difluoride Syringe Filter, 0.2µm 100/pk is engineered to deliver sterile effluents with every use. Driving this efficiency is the integration of a hydrophobic Polyvinylidene Difluoride (PVDF) membrane, ensuring high recovery of sensitive samples while maintaining a sterile effluent. To guarantee structural reliability, each unit undergoes strict quality control to ensure the housing and membrane seal withstand standard operating pressures without leakage. Consequently, by reducing the risk of downstream contamination, these filters serve as a critical safeguard for the integrity of your experimental results.

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

Your laboratory throughput depends on reliable consumables, and these filters are designed to keep your sequences running smoothly, sample after sample. You invest significant resources into your samples; safeguarding them with a proven filtration barrier is a cost-effective insurance policy for your lab. Take control of your sample preparation variables and ensure that your data reflects the true nature of your work, rather than the quality of your consumables.

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

100

Pore Size (µm)

0.2

Prefilter (Yes/No)

No

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 2ml

Wetability

Hydrophobic

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