Air Intake Filter, 4/pk, 4500, 5500, 6500 Back Catalog number: CTS-21459 Availability: In the manufacturer's stock Price on request - + Recommended FPT04VFPT Filter Vial, PTFE, 0.4µm, W/O Hold-Up Volume 259,61 € 718101 Exhaust filter with indicator 89,40 € FNY04VFPT Filter Vial, Nylon, 0.4µm, W/O Hold-Up Volume 259,61 €