Cluster with 300 ccm Polanes Harmony type cow claw, long rubber liner, stainless steel teat cup shell and half cup, Ø 21 mm
| Liner type | Rubber |
| Liner type | Long |
| Liner feature | Half cup teat cup shell |
| Teat cup shell | Stainless steel |
| Opening diameter (Ø) | 21 mm |
| Color | - |
