This adjustable 2 piece extension kit will allow for ZLINE Wall Mount Range Hood mounting on 10 ft. to 12 ft. ceilings. Two 36 in. tall telescoping chimney pieces will replace the 2 standard 16 in. chimney pieces (supplied with your ZLINE Wall Mount Range Hood) to allow for mounting on 10 ft. to 12 ft. ceilings. Pieces adjust between 37 in. to 71 in. Black stainless steel finish will match your range hood and add a sleek, elegant look to your home.