4 Pcs 40/50Mm Length Air Pump Shockproof Compression Spring Damping Spring Seat Oxygen Concentrator Shockproof M6 Spring Pads

100 Brand New and High Quality! Material:Plastic+Metal Size:As shown in the picture Color:Black Package Included: 4PCS Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. Note: Due to manual measurement, there may be errors in the dimensions and weight,Please understand; Colors may have color differences due to factors such as light, saturation, and pixels,We apologize for any inconvenience caused. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.