... float valve with fill up cold water device. Air cooler is divided into DL, DD, DJ series ceiling ... suspended air coolers.The D series air-cooler/evaporator are air-coolers applicable to various cold storage ... ,for that below-25°C.All the air-cooler/evaporator is anti-rusty,corrosion proof,and high ... be fixed with the products.All the air-cooler/evaporator will be employed by the world-famous ...