15 Deg. Firestop Spacer | SL300 | HHT570443653SKU:HHTFS339Inventory ID:03614089Select Item:Price: $69.00Quantity: 15 deg. Firestop Spacer for use with 8" ID & 10-1/2" OD Double-Wall Air-Cooled Chimney | HHT SL300 Reviews Choose your rating12345