| Manufacturer | Dentsply Sirona |
|---|---|
| Type | Downpack + backfill unit |
| GP cartridges | 20 ga · 23 ga |
Calamus Dual combines a System-B-style downpack heat source and a thermoplastic backfill gun in a single benchtop unit. Cartridge-loaded GP is preheated to working temperature; the downpack tip and backfill needle are interchangeable on their respective handles.