Aluminum Plug Cap Product Details | Check Inventory SKU ATC3 Please select ALUMINUM PLUG CAP 3" ALUMINUM PLUG CAP 4" ALUMINUM FLUE CAP 5" ALUMINUM FLUE CAP 6" ALUMINUM PLUG CAP 10" ALUMINUM PLUG CAP 12" ALUMINUM PLUG CAP 14" ALUMINUM PLUG CAP 16" ALUMINUM PLUG CAP 18" ALUMINUM PLUG CAP 20" Log in to view price