... Environmentally friendly Consistant high quality Industrial/greenhouse/poultry cooling pad Specification709060905090Height (mm)1500 1800 2001500 1800 2001500 ... It is excellent filter, non-toxic humidifier, oxygen cooling environmentally friendly materials. it is also do air ... , green and environmental protection.9. There are three type of cooling pad: 5090, 6090, 709010. Optional aluminum metal, ...