As many of you may now know, Deltech has discontinued their line of 100 series filters several years ago, and more recently the elements for these filters. Models 100, 120, 130, 140, 150, 160, and 170 filters are included in this, along with Deltech filter element part numbers: 110E, 120E, 130E, 140E, 150E, 160E, and 170E. However, we have a …