3AL2 4407902

3M AL SERIES FILTER HOUSING IS CONSTRUCTED OF DURABLE, COST-EFFECTIVE CAST IRON AND STEEL TO CREATE A QUALITY-BUILT VESSEL ON THE OUTSIDE, DESIGNED TO SATISFY A WIDE VARIETY OF GENERAL-PURPOSE INDUSTRIAL AND COMMERCIAL FILTRATION NEEDS. ON THE INSIDE, LONG-LASTING STAINLESS STEEL INTERNAL COMPONENTS RESIST CORROSION AND HELP MAKE CLEANING AND MAINTENANCE QUICK AND EASY.