Review on Heng's 48621-C2 17x24 All-in-One Exit/Escape Vent by George Scoles

This vent was almost identical to my original late 50's early 60's Shasta caravan roof which I am now converting into an outdoor kitchen. The original was in poor condition. I ordered this one slightly larger by about an inch so I can cut and frame the vent and line it up on the roof. The original was added later and the entire roof was weak and sagging. I removed the wood roof frame and replaced it with 1" square steel tubing.