In-Line Vents

9 Product Families

Acro® 37 TF Vent Device With PTFE Membrane

Multi-Purpose Filter for Small-Volume Venting and Gas Filtration


  • PTFE membrane and polypropylene housing have broad chemical compatibility
  • Disposable - Eliminates the cost and labor associated with disc-loaded stainless steel filter holders
  • Autoclavable
  • Economical -Available in bulk packaging


2 Part numbers available

Acro® 50 Vent Devices with PTFE Membrane

50 mm Filters with Superior Performance for Demanding Applications


  • Reusable and autoclavable
  • PTFE membrane and polypropylene housing have broad chemical resistance
  • Large surface area provides greater throughput and high air flow rate
  • Available with a variety of inlet and outlet connectors


8 Part numbers available

Acro® 50 Vent Devices with Emflon® II Membrane

Ideal for Use in Air/Gas and Vent Applications with Proprietary, Low Pressure Drop Hydrophobic PVDF Membrane


  • Emflon II membrane filters have a removal rating of 0.2 μm in liquid service and less than 0.02 μm particulate for air/gas applications.
  • Connects easily to hoses of various sizes in-line or as a final filter.
  • Light weight (< 27 grams) prevents crimping of tubing.
  • Stable with gamma irradiation.


3 Part numbers available

AcroPak™ 300 Capsule with PTFE Membrane

High Air Flow Rate Venting Applications


  • Offers broad chemical compatibility with PTFE membrane and polypropylene housing
  • 100% integrity-tested to provide the high level of confidence you require


2 Part numbers available

Vacushield™ Vent Device

Protects Valves and Pump Components from Damage Due to Liquids


  • Incorporates a hydrophobic PTFE membrane
  • Allows air and gases to pass through freely while blocking aqueous solutions and aerosol contaminants
  • Offers highly effective retention of bacteria with minimal restriction of pump performance


1 Part number available

Bacterial Air Vents

  • Economical, Disposable Depth Filter for Venting Applications
  • Hydrophobic media allows air and gasses to pass freely while blocking aqueous fluid and aerosol contaminants


2 Part numbers available

AcroVent™ Device

Economical, Disposable 50 mm

Device for Routine Venting


  • Decreases contamination risks. Ideal for gas lines for CO2 incubators.


1 Part number available

Carbon Capsule

Removes Odor, Colloids, and Organics from Liquids Using Activated Carbon


  • Finely divided carbon provides an active surface area of 70,000 m2
  • Ready to use and disposable


1 Part number available

HEPA Capsule

Ensures High Efficiency Particulate-Free Air (HEPA)


  • Porous membrane delivers high air flow rates at low differential pressure and extends filter life
  • Ensures particulate-free air 99.97% retention of 0.3 µm DOP aerosol


1 Part number available