Microboards Ink Filtration Foams 10-Pak Set. Product ID: Microboards 175-00663-01.The ink filtration foams from Microboards can be used to increase the life of printers by Microboards. They work to reduce the amount of aerosol ink present in the system, which can adhere to surfaces. These should be changed after 10,000 prints.Compatible with Microboards CX1, DX1, DX2, MX1, MX2, PF2, PF3 Series printers/publishers.