https://www.mccoys.com/shop/p/0340687-052303-36/fmi-cp-8dm-chimney-vent-kit-for-8-in-id-12-38-in-od-1700-deg-pipe
CP-8DM Chimney Vent Kit, For: 8 in ID, 12-3/8 in OD, 1700 deg pipe
Sku: 0340687-052303-36
$272.20
20 Available at
SHIP TO STORE
Roof flashing with 24 in base, firestop spacer, round termination cap, storm collar and flue extension. Fits standard 8 in ID, 12-3/8 in OD, 1700 deg pipe.
Suitable for
8 in ID, 12-3/8 in OD, 1700 deg pipe
Includes
(1) Firestop Spacer, (1) Flue Extension, (1) Roof Flashing with 24 in Base, (1) Round Termination Cap and (1) Storm Collar