Details
| REF No# | Specification | Packing |
| SO015-1 | Adult | 1pcs per pack |
| SO015-2 | Adult | 2pcs per pack |
| SO015-3 | Adult | 3pcs per pack |
| SO016-1 | Pediatric | 1pcs per pack |
| SO016-2 | Pediatric | 2pcs per pack |
| SO016-3 | Pediatric | 3pcs per pack |
| REF No# | Diameter | Packing |
| HBSD245 | 24.5mm | 1pcs |
| HBSD185 | 18.5mm | 1pcs |
