Ecoliteled Carbon Vane 523851 for Rietschle DTA 80,KTA 80/1,KTA 80/2 or 3, 4 Vacuum Pump R2 This is good quality spare parts carbon vanes , the price is for one carbon vane / blade . Rietschle part number 533851 5063282 Fit rietschle these models---- dta 80 Kta 80/1 , kta 80/2 , kta 80/3 , kta 80/4 Our carbon vanes are manufactured to high standards.