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AirTAC GAF300 · Air Filter (Water & Particulate Filter)

Airtac GAF Filter GAF300N08AW

The AirTAC Airtac GAF Filter GAF300N08AW is a genuine compressed-air filter. Its diversion structure spins the air to separate liquid water and trap solid particles down to 5 µm, protecting downstream valves and tools. It has 1/4" ports and a 60 cc drain bowl. It is a filter only — it does not regulate or set pressure.

  • TypeAir filter
  • Port size1/4"
  • Filtering grade5 µm
  • Pressure range0.15 - 0.9 MPa
  • Bowl materialNylon
  • Drainautomatic
  • Drain bowl60 cc
  • Weight360 g
$39.52 $45.87Save 13% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac GAF Filter GAF300N08AW

The GAF300N08AW is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 60 cc nylon bowl, while the 5 um HDPE element traps fine grain. It has no regulator, no gauge, and no lubricator - it cleans the air but never sets pressure.

This 1/4in model weighs 360 g and fits the GAF300 size class. The nylon bowl is a build choice for your environment; confirm compatibility for aggressive surroundings since no chemical data is printed. The automatic drain handles wet lines without manual attention.

Airtac GAF Filter GAF300N08AW Technical Specifications

ModelAirtac GAF Filter GAF300N08AW
SeriesGAF300 air filter
Port size1/4" (PT thread)
Filtering grade5 µm
Pressure range0.15 - 0.9 MPa (20 - 130 psi)
Bowl materialNylon
Drain typeAutomatic drain
BracketIncluded
FluidAir
Proof pressure1.5 MPa (215 psi)
Temperature range-5 to +70 °C (unfreeze)
Capacity of drain bowl60 cc
ElementHDPE filter core
Weight360 g

Specifications follow the official AirTAC GAF catalogue (pages 225-226). Air must not freeze in the unit. This is a filter only — it separates water and solid particles but does not set or hold a downstream pressure. To regulate pressure as well, use the matching GAFR300 filter-regulator.

Model Code: Airtac GAF Filter GAF300N08AW

GAF300GA300 series air filter — sets the port range, drain-bowl capacity and weight.
NBowl material: Nylon. Available on this body: PC (blank), Metal (C), Nylon (N).
08Port size 1/4". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2".
ADrain: Automatic drain.
(blank)Mounting bracket included.
WFiltering grade 5 µm.
(blank)PT port thread.

A GAF has no regulator and no pressure gauge — there is no type, gauge or reflux code. Need to regulate pressure too? The matching GAFR300-08 is the same filter with a built-in regulator.

Size Class & Flow Envelope

  • GAF2001/8"-1/4" · 3000 L/min
  • GAF3001/4"-1/2" · 6000 L/min
  • GAF4003/8"-1/2" · 8000 L/min
  • GAF5003/4" · 9000 L/min
  • GAF6003/4"-1" · 12000 L/min

Figures are the end of the flow curve plotted in the AirTAC catalogue — a sizing envelope for comparing bodies, not a rated flow. Read the catalogue curve for a real duty point. A filter this size drops less pressure at flow than the same-body GAFR filter-regulator, so match it to your peak demand.

This modelGAF300 · 1/4" · curve to 6000 L/min
One size downGAF200
One size upGAF400 (curve to 8000 L/min)
Add regulationGAFR300-08 (filter + regulator)

Where the Airtac GAF Filter GAF300N08AW Is Used

precision_manufacturing

Precision valve protection

Feed a bank of precision pneumatic valves on a small assembly station. The 5 um element traps fine particles that could clog pilot orifices, while the automatic drain removes water without line shutdown.

engineering

Instrument air pre-filter

Protect sensitive instruments or gauges downstream of a compressor. The 5 um HDPE core filters fine grain, and the 60 cc bowl with auto drain keeps the line dry for longer runs.

factory

Single machine tool line

Mount this 360 g filter on a small machining fixture or a single cylinder circuit. The 1/4in port suits low-flow tools, and the included bracket simplifies panel mounting.

Is the Airtac GAF Filter GAF300N08AW the Right Filter?

Choose the GAF300 body for 1/4in to 1/2in ports; the 08 code gives you 1/4in. The nylon bowl (N) is a material choice, the A drain is automatic for unattended operation, and the W element is 5 um for finer filtration. The bracket is included, and PT thread standard applies. If you also need pressure control, the matching GAFR300-08 adds a regulator. The GAF300's 60 cc bowl holds 2.4x the condensate of a GAF200's 25 cc, meaning fewer drain interventions.

Quick checklist

  • ✓ Body size for your peak flow (1/4" here)
  • ✓ Element 40 µm (general) or 5 µm (fine)
  • ✓ Bowl material: PC (blank), Metal (C), Nylon (N)
  • ✓ Drain: semi-auto + manual, or automatic
  • ✓ Bracket kept or removed (J)
  • ✓ Need pressure control too? Use GAFR300
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Installation & Maintenance Notes

  • check Install with the airflow arrow: IN to OUT, bowl accessible.
  • check Place the filter FIRST in the air-prep train, ahead of any regulator or lubricator.
  • check Keep pressure at or below the 1.5 MPa (215 psi) proof limit.
  • check Drain condensate before the 60 cc bowl fills.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).
  • check Support the 360 g unit on its bracket, not on the tubing.

This is a filter only — it removes water and solid particles but adds no pressure control and no lubrication. Add a GAR regulator, a GAL lubricator, or step up to the GAFR300-08 filter-regulator as your air-prep needs grow.

Airtac GAF Filter GAF300N08AW FAQ

Filtering grade is 5 um. Working pressure range is 0.15-0.9 MPa (20-130 psi), proof pressure is 1.5 MPa (215 psi). Temperature range is -5 to 70 C. Drain bowl capacity is 60 cc, weight is 360 g, and the flow curve is plotted to 6000 L/min. It has a nylon bowl, automatic drain, included bracket, and PT thread.

The A code means an automatic drain that expels condensate without manual intervention, ideal for wet or unattended lines. It differs from blank models that ship with both semi-auto and manual drains. This unit is filter-only, so it does not regulate pressure; for that you would need the GAFR300-08.

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