

Purpose: various testing instruments and beauty instruments, etc Material: special glass
| wavelength | 1600-20000nm |
| Stock Code | CWL (nm) | BW (%) | Tx Pk (%) | Size (mm) | Thickness (mm) |
| SBPF-2590 | 2590 | 1.8 | 70 | 11 | 1 |
| SBPF-2317 | 2317 | 1.5 | 70 | 11 | 1 |
| SBPF-3950 | 3950 | 1.89 | 77.45 | 11 | 1 |
| SBPF-4260 | 4260 | 1.95 | 80 | 11 | 1 |