The HY-C fire back is expertly crafted from maintenance-free, non-corrosive aluminum, making it a durable and reliable choice for protecting your fireplace and chimney. The hood is constructed from 18-gauge diamond embossed aluminum, while the mesh features 16-gauge expanded aluminum for added strength and longevity. Stainless steel nuts and bolts ensure secure assembly and resistance to rust. Proudly made in the USA, this fire back is designed to fit a variety of round, square, oval, and rectangular flues, accommodating outside tile dimensions ranging from 13 in. round to 18.25 in. x 18.25 in., as well as 7 in. x 7 in. to 13.5 in. x 13.5 in., and 7 in. x 11.5 in. to 13.5 in. x 18.25 in. The HY-C fire back is easy to install and provides essential protection for your chimney, helping to prevent debris and animals from entering while allowing proper ventilation. Its aluminum finish offers a sleek, modern look that complements any home. Choose the HY-C fire back for a dependable, low-maintenance solution to enhance your fireplace safety and performance.