| Product Description | Thermal Barrier | System Depth | Series Number |
| Commercial Fixed | N/A | 3.000" | C420 |
| Heavy Commercial Fixed | Optional F & D | 2.250" | C2000 |
| Heavy Commercial Fixed | Optional F & D | 3.750" | C4100 |
| Heavy Commercial Fixed | Optional F & D | 4.000" | C3100 |
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