Drache offers Ceralu A2O3 Ceramic Foam Filters, Fully Engineered Filterboxes including RL-DSB and Drache Flow Heater Preheating Systems.  Custom-Tailored Launder Systems and DBN25i (boron nitride coating) complete our product range. Drache USA, Inc. is a wholly owned subsidiary of Drache Umwelttechnik, Germany.