| Art No. | Specification OD x H x HD (±5%) | Weight (±10%) | Buoyancy (±10%) |
| P.FL21-46x166x9 | 46x166x9mm | 24g | 160g |
| P.FL21-33x55x10 | 33x55x10mm | 4g | 35g |
| P.FL21-1000x500x80 | 1000x500x80mm | 2200g | 18900g |
| P.FL21-800x400x60 | 800x400x60mm | 2300g | 2300g |
| P.FL21-530x530x60 | 530x530x60mm | 950g | 7950g |
