AONUODI series high strength Evaporative cooling pad /wet pad/5090 corrosion-resistant cooling pad/greenhouse pad/5090 Evaporative cooling pad 1. Special ripper process, high structure strength, corrosion-proof and long circle time 2. Impenetrate and water absorption Getting wetted pad evenly 3. Special solid apace structure, providing max. evaporator surface for water and air thermal exchanger 4. Optional aluminum metal & zinc plank