This GISON's GPS-304C6 is a 6" sanding pad, 10000rpm, Central-Vacuum Air Random Orbital Sander. The lightweight design and easy-to-handle composite housing reduces hand fatigue so you can work longer. It features patented no spanner design, Bearing-Oil Leakage prevention performs longer life and Housing Shroud totally protects housing from dust adhesion.
6" Pneumatic Dual Action Sanders (Central-Vacuum, 10000rpm), Air Sander
| Pad Size | Diameter Orbit | Non Vacuum | Central Vacuum | Self-Generated Vacuum |
| 6" | 2.5 mm | GPS-304N6A | GPS-304C6A | GPS-304S6A |
| 5.0 mm | GPS-304N6B | GPS-304C6B | GPS-304S6B | |
| 7.0 mm | GPS-304N6C | GPS-304C6C | GPS-304S6C | |
| 5" | 2.5 mm | GPS-304N5A | GPS-304C5A | GPS-304S5A |
| 5.0 mm | GPS-304N5B | GPS-304C5B | GPS-304S5B | |
| 7.0 mm | GPS-304N6C | GPS-304C6C | GPS-304S6C | |
| 3" | 2.5 mm | GPS-304N3A | ||
| 5.0 mm | GPS-304N3B | |||
| 7.0 mm | GPS-304N3C |
| Features |  GPS-301 |
GPS-302 |
 GPS-303 |
 GPS-304 |
| Bearing-Oil Leakage prevention performs longer life. | O | O | O | O |
| Housing Shroud totally protects housing from dust adhesion. | X |  |
 |
|
| No Spanners Needed when Replacing Pad. | X | X | O | O |
| Optional Safety Lever | X | X | O | X |
| Unique Cylinder-Air-Inlet ensures less maintenance damage. | O | O | O | O |
| 360 degree rotate + 33 degree swivel Exhaust Tube offers wide operating phase. (Vacuum Type) | O | O | O | O |
| 360 degree Adjust Exhaust Tube (Non-Vacuum Type) | O | O | O | O |
▦ Catalogs of GPS-301/302/303/304 Series Air Random Orbital Sander
