Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ADI-1800H found under Filter Unit Fluid Pressure by Sethco Div Of Met Pro Corp. The National Stock Number assigned to this part is 4330010388316, and the Federal Supply Class is 4330 Centrifugals Separators And Pressure And Vacuum Filters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ADI-1800H.