The whistle tip can be cleared (irrigated) easily because it is approximately the same diameter as the drainage lumen

debridement and easy removal

Skin protection against stool

Minimal pain upon removal

It is used on ankle circumference greater than 7-1/4 inches padded

Regular Bevel Needle 25G x 1" (100 count) Paste The whistle tip can be25G x 1" Needle Length BD PrecisionGlide Needles are available in a wide range of gauges, lengths, and bevel designs. The large inner diameter of thin wall needles is designed to allow the use of a smaller gauge size with increased flow rates. Thin wall needles are also designed to facilitate the injection of high viscosity fluids.