Awọn beakers aderubaniyan wọnyi lati yoo ni itẹlọrun gbogbo awọn iwulo siga ipilẹ rẹ.Bong giga ti 33cm wọnyi (13 ″) jẹ lati gilasi borosilicate.Igi ti o tan kaakiri ṣe afikun percolation si omi, fun ọ ni awọn deba didan ni gbogbo igba.