Blood Filtration

Charter Medical is a leading OEM supplier of filtration components and bag technology to the medical device industry. We specialize in manufacturing biocompatible depth filtration media, coated components and subassemblies.

Charter is FDA registered and ISO 13485:2003 certified with manufacturing in ISO Class 7 and Class 8 cleanrooms. Charter has over 20 years experience in medical component manufacturing and assembly.

Specialty Engineered Depth Filtration

White Paper  – Process Contamination Control for Polyester Depth Filter
Components used in Cardiotomy Reservoirs for Intraoperative
Blood Salvage Procedures.


  • Polyurethane Foam (porosities available 20-110 ppi)
  • Patented Surface Treatment
  • Meets USP <85> for Endotoxin
  • Available non-washed


  • Polyester Felt (Pore Size 20 or 40 micron)
  • Basis Weight
  • Thickness & Permeability


  • Polyester Final Filter
  • Continuous Filament
  • Meets USP for Endotoxin
  • Surface Treatment for Wetability
Charter Medical is a Michelin Company.