High polymer membrane air dryer
| Model | Series Name | Category |
 | SD3000/SD4000 | Super Dryer |
 | SD300D-W/SD400D-W | Super Dryer |
| SD300E-W/SD400E-W | Super Dryer |
 | SDM4000 | Super Dryer Modular Series |
 | SU3000-W/SU4000-W | Super Dryer |
 | SU300D-W/SD400D-W | Super Dryer |
| SU300E-W/SU400E-W | Super Dryer |