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4" x 35' Stainless Steel Liner Kit (includes cap, flashing, adapter, hardware, 3-4 increaser and tee) - W405KB
Heat Fab$545.494" x 35' Stainless Steel Flex Liner Kit (includes cap, flashing, adapter, hardware, tee, 3 - 4" increaser). Genuine OEM Part -
Ceramic Insulation 1"x 24"x5' (not foiled backed) - PWNFF-5
Heat Fab$132.00Ceramic Insulation 1"x 24"x5' (not foiled backed). Five pre-cut 5' pieces come in this set. Insert the ceramic insulation around liner kits to prevent outside air from coming into the house.