*Removable lid size is 15" x 15" and is made from strong 24 gauge 100% copper
*Outside base size is ACTUALLY 10" X 10" and is made with 16 guage copper
*Set screws are 2" long and adjust to fit the different variations in flue sizes
*Fits any outside tile dimensions between 8" x 8" to 10" x 10"
*Screen is 8" high and has a 3/4" mesh screen
*Made by Copperfield in the USA and carries a lifetime warranty