| Accessory Type | : | Protective Cap |
| For Use With | : | XB4 Series, XB5 Series |
| Colour | : | Transparent |
| Diameter | : | 22mm |
| Series | : | Harmony XB |
| Accessory Type | : | Protective Cap |
| For Use With | : | XB4 Series, XB5 Series |
| Colour | : | Transparent |
| Diameter | : | 22mm |
| Series | : | Harmony XB |