Lentsoe "3/4 inch tube" ka kakaretso le bolela bophara bo ka ntle (OD) ba tube.Ho fumana bophara ba kahare (ID), o hloka tlhaiso-leseling e eketsehileng joalo ka botenya ba lebota.Botenya ba ka hare bo ka baloa ka ho tlosa botenya ba lerako habeli ho tloha bophara bo ka ntle.Ho ke ke ha khoneha ho tseba hore na bophara ba ka hare ho 3/4 inch tubing ke bofe ntle le ho tseba botenya ba lebota.