Water evaperative cooling pad is used for air cooling inside greenhouse. Water evaperative cooling pad1.FunctionIts used for air cooling either inside greenhouse or home.2.SizeLength: For your option, usually 1.5-2mThickness: For your option, usually 0.5-10cmHeight: For your option, usually 1.5-2m3.Life: 3-5years4.Ripple height: 5/7mm Water evaperative cooling pad