*Lid size is 24" x 24" and is made from strong 24 gauge stainless steel
*Set screws are 2" long and adjust to fit outside flue diameters between 16 and 18" inches
*Base is made with 18 gauge stainless steel and has support tabs for easy attachment
*Screen is 8" high and has a 3/4" mesh screen
*Made in the USA and carries a lifetime warranty