Best Seller | 3M PLG4 Fire Barrier Plug,4" W,Burgundy,PK4 Firestop Plug, Fire Rating 2 hr, Fire Resistance Type Fitted Barrier, Firestop Type Plug, Interlocking Not Applicable, Overall Height 0.5 in, Overall Length 4 in, Overall Width 5.2 in, Color White, Features Enhance Cold and Hot Smoke Seal, Works with 2... ... more 3M PLG4 Fire Barrier Plug,4" W,Burgundy,PK4 Firestop Plug, Fire Rating 2 hr, Fire Resistance Type Fitted Barrier, Firestop Type Plug, Interlocking Not Applicable, Overall Height 0.5 in, Overall Length 4 in, Overall Width 5.2 in, Color White, Features Enhance Cold and Hot Smoke Seal, Works with 2... | | $158.99 go to store |