Aeromotive 12301 In-Line Filter (10-Micron Fabric Element) Compact size: 5.5' long x 2' diameter ORB-10 ports. Fittings available to adapt these filters to AN-10, -08 and -06 line sizes.(see Fittings & Adapters) All filter assemblies feature an O-ring for positive sealing in high pressure applications. CNC-machined from 6061-T6 aircraft aluminum. Bright dip red anodized finish for a corrosion resistant, show car quality appearance.