Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW30XLE-400I found under Filter Element Reverse Osmosis by Filmtec Corporation. The National Stock Number assigned to this part is 4610015794753, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SW30XLE-400I.