... of Origin: Shandong China (Mainland) Evaporative cooling pad Features:1) Corrugated paper with the spatial crossing linking technology, high absorbability, ... steel optional. Working PrincipleWhen the water cross the cooling pad, the water become water film on the surface of ... heightα: corrugated sheet angle (1) β: corrugated sheet angle (2) Pad 7090Pad 5090H (mm)1500, 1800, 20001500, 1800, 2000W (mm) ...