New Verex Filter Vials!
Push to Filter. Ready to Inject.

Verex Filter Vial Information

Verex Filter Vials for Filtration and Analysis

Sample Prep Simplified – Push to Filter, Ready to Inject!

Verex Filter Vials are designed to provide simple and rapid sample preparation by incorporating a syringe, filtration membrane, vial, and cap/septa all into one product. Each filter vial is comprised of two parts: the external vial and internal plunger with an integrated filter and cap with a pre-slit PTFE/Silicone septa. Simply, dispense your sample into the external vial and compress the internal plunger to filter. This produces a particulate-free sample ready for analysis. Verex Filter Vials are a standard 12 x 32 mm vial and can be easily loaded into the autosampler

  • All-in-one sample prep solution
    Combines sample storage, transfer, and filtration
  • Identifiable colored caps
    Easily find the correct membrane and pore size
  • Low dead-volume
    Higher sample recovery and increased sensitivity
Verex Filter Vials

Syringe Filter and Vial Technology Combined

Verex Filter Vial Diagram

Filter Vial Information

Verex Filter Vials eliminates the need for separate syringes, syringe filters, vials, and caps/septum. By managing less products, these filter vials help streamline the sample preparation workflow and reduce lab waste. Potential sample loss and contamination are also reduced as multiple transfers are removed with this all-in-one filtration device.

Verex Filter Vials Offer:

  • Simplified workflow
  • Reduced lab waste
  • Less system downtime
  • Broad chemical compatibility

Filter Membrane Options

Phenomenex developed Verex Filter Vials with diverse color-coded caps for easy identification of the correct membrane and pore size for the various samples that undergo filtration. Five different membrane types (regenerated cellulose, polytetrafluoroethylene, nylon, polyethersulfone, and polyvinylidene fluoride) and two pore sizes (0.2 μm and 0.45 μm) are available for diverse and unique samples.

Verex Filter Vial Caps

An Overview

Membrane Recommended Uses

Regenerated Cellulose (RC)


Excellent general purpose/high-performance sample filter for most applications

Polytetrafluoroethylene (PTFE)


Filtration of organic-based, highly acidic or basic samples and solvents

Nylon (NY)


General filtration or medical assays

Polyethersulfone (PES)


Filtering critical biological samples, tissue culture media, additives and buffers

Polyvinylidene Fluoride (PVDF)


Biological sample filtration

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