Sapphire 150™ is a cost effective therapeutic overlay for existing mattresses. It features 26 rows of air pockets, consisting of 5 large bubbles per row. This design allows for 130 bubbles with more touch points for effective weight redistribution. Sapphire 150 is made of medical grade PVC, is fire retardant, and has bacteriostatic treatments. Sapphire 150’s pump will distribute 8 liters of air per minute, with the alternating cycle time at 10 minutes.