In water wash type, there are two chambers separated by water curtain wall. The front spray chamber for painting & Chamber behind the water curtain wall is Suction Chamber to separate paint particles from airthinner mixture. Blower and Motor are installed on the top of the chamber. In dry back type the water curtain is replaced with metallic filters. The dry type booth is recommended in new line paint where consumption is less or water is scarce. Metallic filters are used for arresting the over sprayed paint and give clean air output to atmosphere.