The Smiths Medical 10090-05S is a Connector Tube for Endotracheal use, with a diameter of 9.0 mm. This disposable plastic connector tube comes with a sideport, which is a unique feature that allows for the administration of medications and surfactants. This product is designed with a consistent internal diameter to decrease mechanical dead space, thereby reducing subsequent CO2 rebreathing. This ensures a safer and more efficient medical procedure. Each box contains 50 units, making it an economical choice for medical facilities.