This is a dedicated listing for Y. It includes 10 self-made Mela tubes for use with a continuous suction device, plus a self-made Mela tube creation manual. Contents: Self-made Mela tube 12Fr x 5 Self-made Mela tube 10Fr x 4 Self-made Mela tube 8Fr x 1 Creation manual x 1 If this is acceptable, please proceed with the purchase. (This listing will remain as is for about a week.) ※ This is not a medical device.