15" x 15" Stainless Steel Cap - SS1515U 4 Foot Wide Half Round Guardian Fiberglass Hearth Rugs the extension cap fastens tightly

the extension cap fastens tightly with screws on each side

*Gelco's signature cross braced lid size is 13" x 24" and is made from strong 24 gauge 100% 304 steel

Roof Support Pipe

making installation easier and more flexible

and other debris from entering the chimney

15" x 15" Stainless Steel Cap - SS1515U 4 Foot Wide Half Round Guardian Fiberglass Hearth Rugs the extension cap fastens tightly*Lid size is 20" x 20" and is made from strong 24 gauge 100% stainless steel *Outside base size is ACTUALLY 16" X 16" and is made with 18 guage 100% stainless steel *Set screws are 2" long and adjust to fit the different variations in flue sizes *Fits any outside tile dimensions between 14" x 14" to 16" x 16" *Base is designed to fit square, round, rectangular or oval flue tiles *Screen is 8" high and has a 3 4" mesh screen *Made in the USA and