ortho mattress store near thennur growell beds and furnitures n HR (High Resilience) and PU (Polyurethane) foam mattress is a type of mattress that combines both HR foam and PU foam materials in its construction. HR foam is known for its durability, responsiveness, and supportive properties. It offers excellent support to the body, promoting proper spinal alignment and reducing pressure points. HR foam quickly returns to its original shape after compression, ensuring long-lasting support and preventing sagging.