| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Royal Building Products | PLA D604 | STOP COUPLING HXH D604 |
| | Royal Building Products | PLA D604-3 | CONCENTRIC REDUCER COUPLING HXH D6043 |
| | Royal Building Products | PLA D604-1 | CONCENTRIC REDUCER COUPLING HXH D6041 |
| | Royal Building Products | PLA D604-2 | CONCENTRIC REDUCER COUPLING HXH D6042 |
