... of home-use portable evaporative coolera)Energy saving,environment-friendly,long working span,average cool down 4-12 centi degrees,equiblast within ... machine could run everyhere,no need to install before operate.c)Speial design for open area,such as workshop,garage, ... exhibition hallmtrailer,sentry bx,living room and dining room,etc.d)As the main refrigeration form is evaporte,the cooling effecient ...