Bong iyi yagalasi yoyipa yamaso.Zakuthupi ndi galasi lapamwamba la borosilicate.
Bong ndi mtundu wobiriwira pakamwa pake ndi wobiriwira wobiriwira, wokhala ndi 14mm yowoneka bwino yamafuta a quartz.
Mutha kusankha mbale kapena banger ya quartz malinga ndi zomwe mumakonda.Chizindikiro chovomerezeka.