Duo8 vs Duo95: specs compared
Updated 05 September 2026.
9.5 mm
Duo95 wins on tube outer diameter
On tube outer diameter, Duo95 leads: 9.5 mm versus 8 mm.
| Spec | Duo8 | Duo95 |
|---|---|---|
| Designation | 8 mm (5/16") OD | 9.5 mm (3/8") OD |
| Size / thread | 8 mm (5/16") | 9.5 mm (3/8") |
| Fitting form | push-in collet, metric | push-in collet, metric |
| Seals on | double EPDM O-ring on the tube outer wall | double EPDM O-ring on the tube outer wall |
| Rating / role | fitting rated to 100 psi; EVABarrier tube burst over 300 psi at 25 C | EVABarrier 6.3mm ID x 9.5mm OD tube; fitting burst over 300 psi at 25 C |
| Tube OD | 8 mm | 9.5 mm |
Questions and answers
Which has the higher tube outer diameter, Duo8 or Duo95?
On tube outer diameter, Duo95 leads: 9.5 mm versus 8 mm.
How do Duo8 and Duo95 compare?
On tube outer diameter, Duo95 leads: 9.5 mm versus 8 mm.