Groz-Beckert Needles GROZ-BECKERT Filter Media – Selecting the Right Needle EcoStar®, Filter, Filter Media, GEBECON®, GEBEDUR®II, Groz-Beckert Loading… Taking too long? Reload document | Open in new tab Download a Copy of the Document [175.00 B] Please Contact your Preferred DSI Sales Office Today For All Your Groz-Beckert Needle Needs!