GORE-TEX® high durability filter bags are ruggedized filters that extend useful life of pulse jet bags while providing higher product capture. Filter bags maximize both durability and airflow. Additionally, patented membrane offers strength, permeability and other performance improvements over manufacturer's current polyester products. Bags are available in either 16 oz/yd2or 12 oz/yd2 polyester needlefelts. Maximum service temperature is 275°F. W L Gore & Assoc Inc. P.O. Box 1100 Elkton, MD, 21922