| Specification | Details |
| Active area | 5 cm2 or 50 cm2 |
| Anode Porous Transport Layer | 0.25 - 0.5 mm sintered Ni Felt, 66% porosity |
| Cathode Porous Transport Layer | 0.25 - 0.5 mm sintered Ni Felt, 66% porosity (Alternative: Carbon paper GDL ~0.38 mm thick) |
| Current collectors | Nickel or gold-plated copper |
| Sealing O-rings | EDPM for cathode side & Viton extreme for anode side |