Uru ni 17.7 "uburebure bwa beaker ifite ibyumba bibiri. Ibyumba byombi bifite akayunguruzo k’ibiti byamaboko 8. Hariho ibice bitatu bya barafu mu ijosi kugira ngo bifate ibibarafu cyangwa amapaki kugirango ukonje umwotsi waka. Iyo hari amaboko menshi yo kuyungurura ibiti. . muri ziriya percolator zituma hit no gutontoma bisukuye kandi byoroshye nka moteri ya turbo.Bongs zose ziza hamwe nibikoresho bihuye.