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AirTAC GF300 · Air Filter (water separation + particulate filtration)

Airtac GF Filter GF300C08AW

The AirTAC Airtac GF Filter GF300C08AW is a genuine G-series air filter. It separates condensed water and filters particulate from the compressed-air line through a 40 µm element, with See datasheet ports and a differential-pressure drain. A filter does not set downstream pressure — pair it with a GR regulator, or use a GFR filter regulator, when pressure control is needed.

  • TypeAir filter
  • Port sizeSee datasheet
  • Filtering grade40 µm
  • DrainDifferential-pressure drain
  • Inlet pressure0.15 - 1.0 MPa (22 - 145 psi)
  • Bowl materialPC
  • ThreadPT
  • BracketMounting bracket included
$43.64 $48.41Save 9% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac GF Filter GF300C08AW

The GF300C08AW is a genuine AirTAC G-series air filter for compressed air. It strips water and particulate from the line only - no pressure regulation, no lubrication. This configuration is a size 300 unit with a 1/4 inch PT port, the optional 5 um (W) element, an automatic drain (A) for hands-off condensate removal, and a mounting bracket included for panel or wall fixing. Maximum working pressure is 1.0 MPa (145 psi) with a -5 to 70 C, non-freezing operating range.

The 300 frame uses a PC (polycarbonate) bowl. The GF family spans sizes 200 to 600 with ports from 1/8 to 1 inch, a choice of automatic, manual or differential-pressure drains, 40 um or 5 um elements, bracket or no bracket, and G (BSPP) or NPT threads instead of PT. Filter capacity is published as flow curves rather than a single rated figure, so we confirm flow and datasheet numbers on request.

Airtac GF Filter GF300C08AW Technical Specifications

ModelAirtac GF Filter GF300C08AW
SeriesGF300 air filter
Port sizeSee datasheet (PT thread)
Filtering grade40 µm
Drain typeDifferential-pressure drain
BracketMounting bracket included
FluidCompressed air
Inlet pressure0.15 - 1.0 MPa (22 - 145 psi)
Max. working pressure1.0 MPa (145 psi)
Temperature range-5 to +70 °C (unfreeze)
Bowl materialPC
FeatureLow pressure loss

Specifications follow the official AirTAC G-series air-preparation data. The inlet-pressure band is set by the drain type: automatic and differential-pressure drains run 0.15 - 1.0 MPa, a manual drain runs 0 - 0.9 MPa. Air must not freeze in the unit. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.

Model Code: Airtac GF Filter GF300C08AW

GF300G-series air filter, 300 body — sets the port range.
C0Port size See datasheet. This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2".
(blank)Drain: Differential-pressure drain. Options are differential (blank), automatic (A) or manual (M).
(blank)Mounting bracket included. A bracket ships by default; J orders it without.
(blank)Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist.
(blank)PT thread. PT is the default; G is BSPP and T is NPT.

Field order is size, port, drain, bracket, grade, thread — a blank position takes the default. Example: GF300-10AJW is a 300 body, PT3/8", automatic drain, no bracket, 5 µm element, PT thread.

Size Class

  • GF200PT1/8" - PT1/4"
  • GF300PT1/4" - PT1/2"
  • GF400PT3/8" - PT1/2"
  • GF600PT3/4" - PT1"

A larger body carries a larger port and passes more air at the same pressure drop. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom rather than from a single rated figure. The GF600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.

This modelGF300 · See datasheet · 40 µm
One size downGF200
One size upGF400
Line orderFilter first, then regulator, then lubricator

Where the Airtac GF Filter GF300C08AW Is Used

conveyor_belt

Conveyor drive air prep

Filtering air feeding conveyor gate and stopper cylinders, with the included bracket giving a tidy mount on the line frame.

science

Lab automation air feed

Conditioning shop air feeding lab automation and analytical instruments that prefer a 5 um grade upstream of their own filters.

handyman

Workshop compressor outlet

A wall-mounted filter at the compressor outlet of a maintenance workshop, catching water and rust before hand tools and hose reels.

Is the Airtac GF Filter GF300C08AW the Right Filter?

At size 300 with a 1/4 inch PT port, this is a natural fit for general machine supply; move to size 400 or 600 where the port and air demand are larger, or size 200 for compact points. The 5 um element is the finer catalogue grade; 40 um remains the standard for coarse protection. The automatic drain keeps the bowl clear without operator attention, while manual and differential-pressure drains are the other choices. This version includes a mounting bracket - add the J code for the bare unit. Flow is published as curves, not one rating, so ask us to confirm sizing against your application before ordering.

Quick checklist

  • ✓ Body size for your peak flow (See datasheet here)
  • ✓ Element 40 µm or 5 µm
  • ✓ Drain: differential, automatic or manual
  • ✓ Manual drain caps inlet at 0.9 MPa
  • ✓ Thread PT, G (BSPP) or NPT
  • ✓ Bracket needed, or order with J
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Installation & Maintenance Notes

  • check Mount vertically, bowl down, and follow the airflow arrow.
  • check Put the filter first in the air-preparation line.
  • check Keep inlet pressure within 0.15 - 1.0 MPa (22 - 145 psi).
  • check Drain condensate before the bowl fills.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).
  • check Replace the 40 µm element when pressure loss rises.

The PC bowl must not be cleaned with solvents or exposed to synthetic oils that attack polycarbonate — wipe it with a dry cloth. A filter removes water and particulate only; it does not regulate pressure or add lubrication.

Airtac GF Filter GF300C08AW FAQ

AirTAC states GF300 capacity as flow curves across the pressure range rather than a single rated figure, so no number is quoted here. Share your working pressure and air demand and we will confirm the correct size and datasheet figures on request.

Yes - the code carries no J, so the bracket is included; the same filter ordered with a J is supplied without one. PT is the standard thread on this model, with G (BSPP) and NPT threads available as catalogue options.

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