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These instant bluing products are designed for the drug testing market to help provide the required blue color in the toilet bowl water prior to a urine collection
3 Hook-and-loop storm flap closures
Air and oxygen blender features double-ended proportioning valve designed for easy adjustment of oxygen concentration from 21% to 100%
Dwk Life Sciences KIMAX Colorware Narrow Mouth Erlenmeyer Flasks 26500B-250 - 12.0 Each Tapered Straight Connectors as well as withinKIMAX Colorware Narrow Mouth Erlenmeyer Flask, Blue Scale, 250 mL These flasks feature durable, colored ceramic enamel scales to indicate approximate volumes at various levels They come in different bright colors with white markings for simple identification in the lab and reduced risk of cross contamination Tops are reinforced and tooled with a rounded finish while the bodies are thick walled with a long, tapered outside contour to minimize chipping