| | Series DF Pleated Filters with Thermally Bonded Synthetic Media Not Adversely Affected by High Humidity Dwyer Instruments, Inc., Michigan City, IN 2 Aug 2011 Dwyer Instruments, Inc., is announcing the release of its NEW SERIES DF PLEATED FILTERS, ideal for nearly all commercial, industrial, and health care applications where an efficient, long-life filter is desired. | |