FP PostBase Ink Cartridge # 58.0052.3028.00 Compatible High Capacity Fluorescent Red Ink Cartridge Set. American Mailing Solutions and Others do not sell Postageink products! Make sure it is sold and shipped by Postageink or Fulfilled by Amazon from Postageink for True Quality! PIC40 (OEM part # 58.0052.3028.00) Compatible High Capacity Ink Cartridge Set for PostBase Mailing System. Provides up to 22,000 impressions, depending on applications, and usage Compatible with PostBase Models, 20, 30, 45, 65 & 85 Mailing Machines PIC40 is NOT compatible with MyMail or PostBase Mini 58.0052.3028.00