Pall
Acro Disc PSF Syringe Filters w/ PTFE Membrane - 0.2um, 25mm, 1000/Pk SKU: AP-4521

Polytetrafluoroethylene (PTFE) Syringe Filters, 0.2µm, 25mm - AP-4521

Ensuring the biological integrity of sensitive media begins with reliable filtration, and the Polytetrafluoroethylene (PTFE) Syringe Filters is engineered to deliver sterile effluents with every use. Leveraging the specific retention properties of Polytetrafluoroethylene (PTFE), this device offers a validated 0.2 barrier against microbial contaminants. Designed to facilitate rapid processing, the housing features an optimized flow geometry that minimizes backpressure, allowing for easier manual filtration even with viscous samples. Consequently, by reducing the risk of downstream contamination, these filters serve as a critical safeguard for the integrity of your experimental results.

Key Polytetrafluoroethylene (PTFE) Membrane Characteristics

• Polytetrafluoroethylene (PTFE) membrane with hydrophobic (standard) / hydrophilic (treated) affinity
• Chemically Inert characteristics
• Universal resistance to aggressive organic solvents, strong acids, and alkalis
• Hydrophobic version requires alcohol pre-wetting for aqueous solutions
• 0.2 rating suitable for sterile filtration

Key Housing Characteristics

• High-purity Polypropylene encapsulation housing
• Luer-Lock/ Luer Slip for secure fitting
• 3.9cm² effective filtration area
• < 100 µl 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. Make the decision for consistency and reliability, ensuring that your laboratory maintains its reputation for high-quality, error-free output.

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

Bubble Point (psi)

15psi (IPA)

Burst Pressure (psi)

60psi

Connection Type

Luer-Lock/ Luer Slip

Construction

Polypropylene (PP)

Diameter

25mm

Filtration Area

3.9cm²

Flow Rate

60ml

Holdup Volume

< 100 µL

Material

Polytetrafluoroethylene (PTFE)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

100°C

Pack Count

1000

Pore Size (µm)

0.2

Sterility

Nonsterile

Sterilization

Autoclavable at 121°C for 15-20 min

Wetability

Hydrophobic

• Aggressive Solvents - Clarifies chlorinated hydrocarbons and aromatics without membrane degradation, ensuring pure filtrate quality every time
• Pump Protection - Acts as a reliable hydrophobic barrier to protect vacuum pumps from corrosive moisture damage and particulate contamination
• Gas Filtration - Ensures sterility in air and gas lines for fermentation tanks, preventing the introduction of airborne contaminants
• Venting Applications - Prevents moisture and particulate intrusion in sterile tanks and vessels, ensuring a contaminant-free storage environment
• Moisture Barrier - Protects sensitive electronic sensors and instruments from aqueous aerosols while allowing gases to pass freely
• Air Monitoring - Ensures precise capture of airborne particulates for environmental analysis in challenging atmospheric monitoring conditions