In 1997, Port-A-Cool, L.L.C. Cooling Division became one of the few rigid evaporative cooling media manufacturers in the world. By developing and utilizing a specific production method, Thru-Cure™, Port-A-Cool, L.L.C. is now the producer of the finest evaporative cooling media available. This important production technique, used only by Port-A-Cool, L.L.C., achieves complete resin cure in each individual sheet of premium grade, virgin kraft paper. Thru-Cure™ positions pads above all other evaporative cooling media and delivers the most superior evaporative cooling possible. With such a rigid and high efficiency media, even water and air flow is produced with no sagging, gapping or fouling problems. pads are energy efficient, consistent in performance over a very long life, self-supporting, highly absorbent and easily cleaned.