SELKIRK CORP 208490 8-Inch Attic Insulation Shield

8", 8T-AIS, Attic Insulation Shield Guards against the danger of insulation or other combustibles coming into contact with chimney pipe Chimneys are packed with 1" inch of premium fiber insulation, ensuring a 100-percent fill Superior insulation maintains higher internal flue temperatures, enhancing draft and efficiency This item is UL registered