... service life,large evaporation area,without harmful chemicals Evaporative cooling pad Features:1) Corrugated paper with the spatial crossing linking ... heightα: corrugated sheet angle (1) β: corrugated sheet angle (2) Pad 7090Pad 5090H (mm)1500, 1800, 20001500, 1800, 2000W (mm)600 ... , 300600,300D (mm)100, 150, 200,300100,150,200,300h (mm)75 α (*)4545β (*) ...