This hose reinforcement spring will keep your hose from collapsing and kinking, allowing free flow of liquids or vacuum pressure. This spring is 6 inches long and has an interior diameter of 2.25 inches.
You may find this useful near the bucket lid of the milk or vacuum hose on your bucket milker. Do you love how flexible the silicone hose is, but hate how often it self-kinks? Here is your solution!