PTFE Syringe Filters, 0.22 um, 25mm, Double Luer Lock, PP Housing, Nonsterile, 100/Pk
Tisch SKU: SPEC16251

Tisch Scientific PTFE Syringe Filters, 0.22 µm, 25 mm, 100/Pk - SPEC16251

Tisch Scientific's representatives greet every caller with patience, whatever brings them to the phone. A single-use hydrophobic vent filter reaches sterilizing-grade retention on a vent line without the autoclave cycle or in-line housing a reusable gas filtration setup would require. The hydrophobic PTFE membrane provides bacterial retention in gas and vent streams while repelling water and passing gases and solvents freely and suits solvent filtration where other membranes fail. The polypropylene housing routes flow to minimize backpressure in service and resists degradation from routine sample matrices. No separate sterilization cycle is needed when the gas path already runs through a validated sterile-grade membrane.

Membrane Characteristics

• Non-fibrous, fully synthetic structure sheds no fibers into filtrate
• Insolubility in all known organic solvents avoids swelling and pore distortion
• Stable across a wide operating temperature range for demanding methods
• Strong oxidizing agents like nascent chlorine and concentrated sodium hydroxide cause no attack
• High membrane porosity, 70 to 80 percent void volume, delivers high flow at low pressure

Housing Characteristics

• Standardized luer connection geometry provides secure engagement with standard syringe tips
• Polypropylene housing tolerates dilute aqueous acids, bases, and alcohols used in routine sample prep
• Impact-tolerant polypropylene body withstands routine bench handling without damage
• Double luer-lock connections on inlet and outlet deliver a secure, leak-resistant in-line path for continuous filtration

A filter that softens or swells in your solvent fails you mid-run, batch after batch. Solvent-stream filtration handles the solvents and reagents your methods rely on from initial prep through final use. Reach out to the Tisch Scientific team about minimum order quantities and shipping timelines for your filtration product selection.

Sterilization Guidance

The housing supports customer autoclave sterilization at 121°C for 30 minutes.

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

Bubble Point (psi)

13psi

Burst Pressure (psi)

116psi

Connection Type

Double Luer Lock

Construction

Polypropylene (PP)

Diameter

25mm

Filtration Area

4.08cm²

Incompatibility

Aqueous samples without rewetting

Material

Polytetrafluoroethylene (PTFE)

Maximum Operating Pressure

72.5psi

Maximum Operating Temperature (°C)

80℃

Pack Count

100

Pore Size (µm)

0.22

Sterility

Nonsterile

Sterilization

Autoclave: 121°C for 30 minutes

Weight

0.58

Wettability

Hydrophobic

• Trace Metals Analysis - PTFE's low metal-extractable profile clarifies acid-digested samples for clean, low-background ICP-MS and ICP-OES results.
• Cryogenic Fluids - Delivers consistent performance across extreme temperature ranges, filtering cryogenic liquids with dependable, reliable results.
• Pump Protection - Acts as a hydrophobic barrier that protects vacuum pumps from corrosive moisture and particulate damage.
• Spirits Congener Analysis - Clarifies distilled spirits samples ahead of GC analysis, protecting columns from residue during congener profiling.
• Chemical Synthesis - Resists aggressive organic solvents and corrosive acids for compatibility with harsh synthetic reaction mixtures.
• Toxicology Screening - Clarifies protein-precipitated serum, plasma, and urine extracts ahead of LC-MS or GC-MS drug screening analysis.