This window 51 air cooler was very useful machin. This ia very good and capable air cooler. It gives us every cool air. This air cooler is attractive cooler. It has many geatures and air controler. It has swing facility which throws cool air at all sides. Symphony window 51 air cooler has wheles in its botom so that we can shift it everywhere easily. It was very good and capable air cooler. It takes less power consumpition it makes my room coa in is minutes in the time a second