... display shell mortar tube Size range from 2", 2.5", 3", 4", 5"-1 Fireworks 5" mortar shells tube mortar shell tubes wholesaledisplay shell ... mortar tubefiberglass tube of display shellsSize range from 2", 2.5", 3 ... ", 4", 5", 6", 7", 8" 10", 12"use it a long ...