Spartan Roof Vent Screen with an aluminum frame. The outside frame measurements: 15-1/4"h x 11-1/4"w x 1/4" depth. Inside opening measurements: 14"h x 10-1/8"w. The aluminum frame is bent but can be easily straightened. These vent screens do have some minor flaws from age. Screen may need replaced. Pictures may vary but are comparable.