Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PS-200 found under Cartridgewater Demineralizerio by Philadelphia Scientific Controls Inc. The National Stock Number assigned to this part is 4610013998434, 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 PS-200.