| For small compressed air requirements (4 - 30 HP) |
CL 4 to CL 7.5 S 10 to S 29-2 |
| For medium compressed air requirements (10 - 350 HP) |
S 10 to S 29-2 S 40-2 to S 350 SF 24-2 to SF 220 |
| For large compressed air requirements (50 - 350 HP) |
S 40-2 to S 350 SF 24-2 to SF 220 |