SEC7XBF+ | Firestop | 7" ID | Secure Temp GX570443549SKU:7XBF+Inventory ID:03612654Select Item:Price: $55.30Quantity:BrochureManualManufacturer Site 7 inch Secure Temp GX Firestop Designed for use below each combustible floor the chimney passes through. Reviews Choose your rating12345