GD/XP Syringe Filter, Depth PP Filteration Medium, 0.45um (1500 pcs)
Whatman SKU: 6993-2504

Whatman GD/XP Polypropylene (PP) Syringe Filters, 0.45 µm, 25 mm, 150/Pk - 6993-2504

Whatman applies the same process controls across its filtration portfolio, verifying rated performance at the production lot level. A syringe filter seats a membrane in a sealed housing that threads onto a standard luer fitting. The polypropylene matrix delivers nominal retention with high dirt-loading capacity and resists a broad range of organic solvents, acids, and bases. The polypropylene housing contributes minimal extractables to the filtrate while resisting aqueous acids, bases, and alcohols and sustains efficient flow on viscous samples. When chromatographic methods demand particle-free injections, point-of-use syringe filtration clarifies the sample before it reaches the column.

Technical Specifications

• Sustains throughput on particulate-laden solvent samples
• Low extractables protect sensitive downstream analyses
• Hydrophobic matrix suits solvent and non-aqueous sample streams
• High resistance to organic solvents, acids, and bases
• Low binding with nominal depth retention and high dirt-loading capacity

Housing Specifications

• Low extractable contribution protects sensitive downstream analyses
• Reliable housing-to-membrane seal prevents bypass at rated pressure
• Optimized internal geometry minimizes backpressure in service
• Thermal-bonded construction keeps adhesives out of the fluid path

Filtering aggressive solvents and reagents through a filter that holds up to the chemistry keeps your sample prep reliable. Reliable solvent prefiltration clears particulates from your organic samples from reaction mixtures and crude extracts through final analysis. Ask our friendly customer service team to confirm the pore size, membrane, and sterility options your filtration application calls for.

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

Bubble Point (psi)

(Hydrophobic)

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

25mm

Filtration Area

4.6cm²

Holdup Volume

1.4ml

Material

Polypropylene Depth Filter (DpPP)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

121°C

Pack Count

150

Pore Size (µm)

0.45

Prefilter (Yes/No)

Yes

Prefilter Material

Polypropylene (10µm + 5µm)

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 100ml

Wettability

Hydrophobic

• Chemical Processing - Ideal for filtering acids, bases, and aggressive solvents that would degrade other membrane types
• Gas Filtration - Optimized for Hydrophobic PP membranes, which are excellent for venting applications and protecting vacuum pumps
• Solvent Clarification - Polypropylene offers broad chemical resistance, making it suitable for filtering organic solvents
• Prefiltration - The robust depth of PP media allows it to handle high particulate loads before final membrane filtration
• Quality Control Testing - Optimized for delivering reproducible results by removing particulates in standard pharmaceutical protocols
• Environmental Monitoring - Ideal for removing particulates in water and wastewater analysis to ensure regulatory compliance