VWR Vwr Bubble Mat 3x3 Gray IN0303SILVWR Unit EA. The 3" x 3" mats feature an outer cover of extruded polyethylene to ensure constant support without adding undue weight. The mat colors are easily identified by color-coded spouts. Mats can safely be... more
Kimble/Kontes Bottle Wmpkr Amb 4OZ CS180 5220438B. The bottle mouth is formed by simply wrapping the polyethylene around the wire sleeve and twisting the black plastic cover until it closes. Then the bottle mouth is closed by twisting and rotating the... more
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