
The AirTAC Airtac GAF Filter GAF300C08JW 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.
The GAF300C08JW is a genuine AirTAC air filter that spins incoming air to throw liquid water and solid particles into its 60 cc metal drain bowl, while the 5 um HDPE element traps fine grain. It is a filter only - it has no regulator, no pressure gauge and no adjusting knob, so it cleans the air but never sets or holds a pressure.
This 1/4in port model weighs 360 g and belongs to the GAF300 size class, which is a step up from the smaller GAF200 body. The metal bowl is a build choice for the environment; AirTAC prints no temperature or chemical data for bowl materials, so confirm compatibility for aggressive surroundings before fitting.
| Model | Airtac GAF Filter GAF300C08JW |
|---|---|
| Series | GAF300 air filter |
| Port size | 1/4" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Bowl material | Metal |
| Drain type | Semi-auto drain + manual drain |
| Bracket | Not included (J) |
| Fluid | Air |
|---|---|
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Capacity of drain bowl | 60 cc |
| Element | HDPE filter core |
| Weight | 360 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.
| GAF300 | GA300 series air filter — sets the port range, drain-bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. Available on this body: PC (blank), Metal (C), Nylon (N). |
| 08 | Port size 1/4". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2". |
| (blank) | Drain: Semi-auto drain + manual drain. |
| J | No bracket (J) — supplied without the mounting bracket. |
| W | Filtering 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.
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 model | GAF300 · 1/4" · curve to 6000 L/min |
|---|---|
| One size down | GAF200 |
| One size up | GAF400 (curve to 8000 L/min) |
| Add regulation | GAFR300-08 (filter + regulator) |
Feed a single 1/4in pilot valve or a small indexing table with air that has passed the 5 um element, keeping fine abrasive grain away from spool surfaces and extending valve life.
Mount this 360 g filter on a lathe or milling machine's pneumatic control panel, where the metal bowl resists the occasional knock and the 60 cc bowl handles a shift's condensate.
Use it ahead of a small pneumatic gripper or a compact cylinder on an assembly station, where the 5 um element stops the fine dust that can clog tiny exhaust ports.
Choose the GAF300 body when 1/4in or 3/8in ports suit your line and you want a 60 cc drain bowl, which holds 2.4x the condensate of the GAF200's 25 cc bowl. The metal bowl (C) is selected here, and the J code means no mounting bracket is included, so plan a panel mount or use an existing bracket. This model has the 5 um element (W) for finer filtration, the semi-auto plus manual drain, and PT port threads; if you need a set pressure, use the matching GAFR300-08 filter-regulator instead. The 1.5 MPa proof pressure is about 1.67x the 0.9 MPa top of the working range, a burst-test margin and not a license to run above the rated 0.15-0.9 MPa.
Quick checklist
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.
It is a GAF300 air filter with a 1/4in port, a 5 um filtering grade, a 60 cc drain bowl and a weight of 360 g. The working pressure range is 0.15-0.9 MPa (20-130 psi), proof pressure is 1.5 MPa (215 psi), and the temperature range is -5 to 70 C. The HDPE element removes water and solid particles only; it does not regulate pressure or remove oil.
The J in the code GAF300C08JW means the mounting bracket is omitted. This suits installations where the filter is panel-mounted, secured to an existing machine frame, or supported by rigid tubing rather than the included bracket. The filter itself is identical to a bracketed version; only the accessory changes.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.