Iyo gobvu octagonal shinda yemuromo inogadzirwa nepamusoro borosiliate girazi.Iwo akakosha dhizaini ane yakasarudzika shinda yekristaro kutaridzika.Inokodzera zvakakwana muruoko, inonakidza uye yakasununguka nekuda kwechimiro uye uremu.Iwo anogona kusanganiswa neese akajairwa silicone hoses uye epurasitiki muromo matipi.