The Guardian Fire Door is engineered to meet ever-increasing demands of property owners and insurance underwriters in a simple, easy-to-test, and reset fire protection product with a U.L. label rating from 3/4-hour to 4-hour protection. Manual push-up, chain hoist and automatic reset motor operation is available with several release device options.
Specifications
| Manufacturer | C.H.I. Overhead Doors |
| Model | 7000 |