Osmosis Membrane with Double Thistle Tube
$27.08
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This tube has two thistle funnels, one on either end. One thistle funnel is covered by a natural membrane. Use this tube to visually demonstrate osmotic pressure. PRODUCT WARNINGS Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
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$24.08
(-$2.62)
$27.08
(+$3)