3GN

High flow 3-bladed propeller

2GN

High flow 2-bladed propeller, can be combined to 4-bladed

2GND

High flow dual direction propeller

2G

Standard 2-bladed propeller, can be combined to 4-bladed

3M

Marine propeller

4FB

Folding propeller

2A

Anchor

4SPT

Spiral turbine low effect high flow

4PBT

Axial flow turbine

6RC

Gas dispersion turbine

6RFT

Rushton turbine

D

Dispersing disk