What's I.D ?

I.D is Inside Diameter / Inner Diameter, it is the inner diameter of the rubber tube. Or the size of the hole in the rubber tube It is a measure of the size of the inner tube, measured in millimeters (mm) or in inches (Inch), which I.D of the rubber hose is very important for the rubber hose that needs to be used to put on the nipple. To cover the iron core Wear machinery Other equipment or materials in which the I.D of the hose should be equal to or equal to that of the nipple. Or materials that we want to use for wearing If you want to make it more tight, use it with a pipe clip. Or pipe straps.