ZLINE 2-36 in. Chimney Extensions for 10 ft. to 12 ft. Ceilings (2PCEXT-587/597)(P) ZLINE's chimney extensions for stainless steel range hoods make it easy to find a range hood that fits your ceiling perfectly. (BR)(BR) This 2 Piece Chimney Extension will fit all ZLINE range hoods with model number: (BR) ? 587, 597 (BR)(BR) These Two (2) 36 inch chimney pieces will replace the standard 16 inch chimney pieces (typically supplied with your order) to allow for mounting up to a 12 foot ceiling. ( P) (P) Returns are not accepted for