+44 (0)1582 501 980 | filters@helapet.co.uk

Gas Analyser Disc Filters

Gas analyser disc filters use a high performance media for high moisture retention whilst ensuring optimum flow rates. Protecting sensitive equipment from the ingress of particulates and moisture is an increasing challenge.

Our range of replaceable gas analyser disc filters are ideal for filtering carbon dioxide, oxygen, nitrogen and other compounds, improving quality through particulate removal whilst maintaining optimum flow rates to sensors and pumps.

Key Features

  • Tested to withstand up to 80psi
  • Strong particle retention due to natural hydrophobic PTFE micron rating
  • Ensuring safety of sensitive electronics whilst maximising flow rates
  • Ideal for gas analysers, pneumatics and moisture sensitive equipment


  • 1.0 µm PTFE media or 0.3 µm HEPA available on request
  • 25mm and 50mm filter
  • Manufactured with Borealis polypropylene – (FDA approved material, USP class 6)
  • Hose barb connectors accomodating 4-10mm tubing

Testing available on request

  • Bubble point tested
  • Clean pressure drop
  • Water-entry-pressure
  • Media integrity
  • Flow rate
  • Burst integrity testing
  • Pressure testing
Order Product Name Micron Size Media Connector Size Sales Unit
FH0371 IsoDisk® filter 0.3 μm HEPA 3/16″ hose barb 25mm 50 pcs/pck
FH3375 IsoGuard® filter 1.0 μm PTFE 3/16″ hose barb 25mm 50 pcs/pck
FH3575 IsoGuard® filter 1.0 μm PTFE 3/16″ hose barb 50mm 20 pcs/pck
FH3555 IsoGuard® filter 1.0 μm PTFE 1/4″ hose barb 50mm 20 pcs/pck

 Create your own filter by using our Vari-Disk® Service, or send us your unique specifications online.