They come with the following: 1 x 5' CB-5029-SS 5' Stainless Steel Ceiling Trim Plate 1 x CB-3027-SS Support Brackets 1 x Metal Roof Flashing Boot or 1 x Shingle Roof Flashing Boot 1 x CB-5028-SS Stainless Steel Cap 1 x CB-3050-SS 3' to 5' Adaptor 1 x CB-5024-SS 5' Stainless Steel Insulated Pipe, 24' Long or 2 x CB-5012-SS 5' Stainless Steel Insulated Pipes, 12' Long We supply the following hardware with our exit kits: The screws to fix the cap to the 5” pipe. The screws to fix the mounting bracket to the 5” pipe The screws to join 5” pipes together if you have multiple. The screws to fix the 3”-5” adapter to the 5” pipe. We do NOT supply the following hardware with our exit kits 4 screws to fix the support brackets to the roof. The screws needed to fix the boot to the roof. The 8 screws required to secure the trim plate in place.