Ubu ni santimetero 13.3 z'uburebure bwa beaker base bong.Hasi ni ntoya kurenza inzoga zisanzwe ariko ijosi ryigituba ni kirekire kugirango amazi agabanuke mumunwa.Gukubita bizoroha binyuze mu kuyungurura amazi, sisitemu yo gukonjesha urubura hamwe numuyoboro muremure.Bongs zose hamwe nibikoresho bihuye.
