Stethoscope diaphragms are versatile and cater to both pediatric and adults stethoscope, meeting the diverse auscultation needs of different age groups. The diaphragm provides clear and more accurate auscultation results, aiding doctors in better diagnosis. Features -Color:Black -Material:PVC -Size:4.50X4.50X0.20cm/1.77X1.77X0.08in -Size:3.60X3.60X0.90cm/1.41X1.41X0.35in -Exceptionally PVC materials used in the construction of the stethoscope diaphragms. -The floating diaphragm assures sound clarity during use, suitable for pediatric and adults stethoscope. -The stethoscope accessories are PVC membranes, allowing for easy replacement and cleaning. -Compatible with most stethoscope models, membrane replacements offer convenience for users to replace and upgrade. -Replacement stethoscope covers are lightweight design, simple appearance, sufficient for usage. Package list: 2 x Pediatric Replacement Diaphragms