Firestop Block, Fire Rating 2 hr, Fire Resistance Type Fitted Barrier, Firestop Type Block, Interlocking Not Applicable, Overall Height 2.36 in, Overall Length 8 in, Overall Width 5.12 in, Color Maroon, Features Installation Requires No Special Tools, No Cure Time, Primer Paint Ready: Block is Paintable with Primer, Fits Medium to Large Openings in Wall and Floor Through-Penetrations, Tight Firestop Seal, Market Commercial, Standards ASTM E814 (UL 1479), CAN/ULC-S115, Package Quantity 12