这种Delong式培养瓶带有三个折流板，与旋转式或往复式振荡器结合使用时，可提升溶液搅拌效果，改善氧气或气体交换。长颈设计可减少液体溅出，适合采用双位置聚丙烯瓶盖。
货号26794-25和26795-25的瓶盖适用于125 mL培养瓶。货号26796-38和26797-38的瓶盖适用于250、500、1L、2L培养瓶。
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