Crespo Lumbar Support LS/237 Air Deluxe GreyCrespo Lumbar Support LS 237 Air Deluxe Grey Product code: CRE 1149222 Manufacturer SKU: 1149222 An ergonomic lumbar support. The lumbar support ensures a proper sitting posture. Thickness and firmness can be adjusted to preference using a pump. Helps prevent backaches. Key Features An ergonomic lumbar support Ensures the ideal sitting posture Thickness and firmness can be adjusted as desired Prevents back pain The ideal shape can be determined by