Permobil Seating and Positioning, is a global leader of seating solutions that prevent and treat pressure injuries. Two great ... brands: ROHO products and Comfort Company products. ROHO's air cell technology provides skin protection and positioning in a variety of applications: from wheelchair cushions, to therapeutic mattresses, to wheelchair backs and more. ROHO products are supported by extensive research, clinical studies and publications around the world. ROHO's products deliver life-changing benefits, offering comfort and protection to people relying on wheelchairs for mobility. On any given day, there are more than 1 million ROHO products in use worldwide. read more