The new HemiPleat Synthetic dust collector filter from Camfil Air Pollution Control (APC) combines a high-efficiency synthetic media with proprietary open-pleat technology for exceptional performance and long life in harsh, humid environments. The washable media is resistant to moisture and can handle heavy dust-loading conditions. The HemiPleat Synthetic filter uses a lightweight, 100% spun bond polyester media in a pleated design that maximizes surface area while maintaining open pleat spacing. The wider spacing of the HemiPleat design exposes more media to the air stream, resulting in lower pressure drop and improved dust release during pulse cleaning. Sturdy and durable, this moisture-resistant media may be washed and reused in many applications with operating temperatures up to 160° F.