I-HEHUI yeglasi phantsi iziqu zenziwe ngeglasi ye-borosilicate ephezulu kunye ne-non-toxic ephezulu kwaye yenziwe ngesandla kumaqondo obushushu aphezulu ukwenza ukuba ibe yinto ehlala ixesha elide kwaye ingabi lula ukuyiphula. Umphezulu oneqabaka yenza udibaniso lokudibanisa umoya luqine. Ubungakanani obuqhelekileyo bokudityaniswa bulingana nazo zonke iihookah zeglasi kunye neglasi yee-bongs zentengiso.