
The AirTAC AirTAC GF300-10 Filter (GF30010MJW) is a genuine G-series air filter. It separates condensed water and filters particulate from the compressed-air line through a 5 µm element, with PT3/8" ports and a manual 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.
GF30010MJW is a genuine AirTAC G-series air filter, size 300 with a PT3/8 (3/8 inch) port. It is a filtration-only unit - water and particulate removal, with no regulation and no lubrication. Two suffixes set this configuration apart: W specifies the finer 5 um filter element instead of the standard 40 um, and J means no mounting bracket is supplied. The manual drain releases condensate from the polycarbonate bowl when opened. With the manual drain, maximum inlet pressure is 0 to 0.9 MPa, and the working temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GF family runs from size 200 to size 600 with ports from 1/8 to 1 inch; the same size 300 unit is available with a bracket (drop the J) and with the 40 um standard element (drop the W). AirTAC publishes flow as curves rather than a single rated figure, so ask us to confirm sizing and datasheet figures on request.
| Model | AirTAC GF300-10 Filter (GF30010MJW) |
|---|---|
| Series | GF300 air filter |
| Port size | PT3/8" (PT thread) |
| Filtering grade | 5 µm |
| Drain type | Manual drain |
| Bracket | Supplied without bracket |
| Fluid | Compressed air |
|---|---|
| Inlet pressure | 0 - 0.9 MPa (0 - 131 psi) |
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Bowl material | PC |
| Feature | Low 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.
| GF300 | G-series air filter, 300 body — sets the port range. |
|---|---|
| 10 | Port size PT3/8". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain. Options are differential (blank), automatic (A) or manual (M). |
| J | Supplied without bracket. A bracket ships by default; J orders it without. |
| W | Filtering grade 5 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.
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 model | GF300 · PT3/8" · 5 µm |
|---|---|
| One size down | GF200 |
| One size up | GF400 |
| Line order | Filter first, then regulator, then lubricator |
Installed on the air line serving lab pneumatic equipment, where the 5 um element removes finer particulate ahead of sensitive instrument valving.
Fitted upstream of a pneumatic control panel's solenoid valves, providing finer filtration than standard plant air ahead of precision components.
Used on the filtered supply feeding a workshop air-brake test rig, conditioning the air that drives the rig's actuation and gauge circuits.
Choose the W suffix when the equipment downstream tolerates less particulate than general plant air - the 5 um element is the finer catalogue option against the 40 um standard. The J suffix omits the mounting bracket, suiting in-line installs where the unit is held by its ported connections. Size 300 with a 3/8 inch PT port sits mid-range in the G-series; size 400 covers heavier demand and 200 the compact end. The drain here is manual; automatic (A) and differential-pressure are the alternatives. Thread is PT as the standard, with G (BSPP) and NPT as catalogue options. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
Quick checklist
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 publishes flow for the GF series as performance curves, not as a single rated figure, so we do not state a number. Note that the 5 um element can sit on the curve differently from the 40 um standard element. Send us your operating pressure and downstream demand and we will confirm sizing from the datasheet on request.
The 40 um element is the catalogue standard for general air preparation. The 5 um W suffix suits applications with finer downstream components - precision valves, instruments, spray equipment - where smaller particles must be caught. This model combines the 5 um element with a manual drain, no bracket, a PT3/8 port and a 0 to 0.9 MPa maximum inlet. Order the code without W for the 40 um standard element.
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, availability and lead time — usually within 7-8 hours.