Product Description
| Product model | Description |
| BJDQ4-1 | 37mm high; outer diameter 54mm, aperture: 22mm |
| BJDQ4-2 | 43mm high; outer diameter 54mm, aperture: 22mm |
| BJDQ4-3 | 43mm high; outer diameter 54mm, aperture: 25mm |
| BJDQ4-4 | 43mm high; outer diameter 54mm, aperture: 30mm |
| BJDQ4-5 | 55mm high; outer diameter 54mm, aperture: 22mm |
| BJDQ4-6 | 55mm high; outer diameter 54mm, aperture: 25mm |
| BJDQ4-7 | 55mm high; outer diameter 54mm, aperture: 30mm |