| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | NIBCO INC | NIB NLK652FF | GD4865C4N 76MM GRV UL/FM 300 NC WO/SW |
| | NIBCO INC | NIB NLK652KK | GD4865C4N 165MM GRV UL/FM 300 WO SW |
| | NIBCO INC | NIB NLK653FF | GD6865C4N 76MM GRV UL/FM 350 NC WO/SW |
| | NIBCO INC | NIB NLK653KK | GD6865C4N 165MM GRV UL/FM 350 WO SW |
| | NIBCO INC | NIB NLK856F | GD48654N 76MM GRV UL/FM 300 BFV W/O SW |
| | NIBCO INC | NIB NLK856K | GD48654N 165MM GRV UL/FM 300 BFV W/O SW |
| Manufacturer | NIBCO INC |
| Type | Fire Protection Normally Open |
