Cleanair Systems & Devices offers Self Contained Air Cleaning System. Cleanair Systems & Devices supplies a wide range of pharmaceutical machines, clean-air equipments, pre fabricated clean-rooms, air flow systems, garment cubicles, HEPA filters and distillation plants. The Self Contained Air Cleaning System is known as Air Shower and is installed at the entrance to clean rooms, in order to minimize the amount of particulate contaminants. The Air Cleaning System is a self contained air chamber used to clean air.