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Research Products International Corp Colony Counter, Mini Pen, 1/2 x 6 Inches

Supplier: Research Products International Corp 283133
Combination marker and digital counter is ideal for counting cell colonies on petri dishes. Simultaneously emits an audible beep when tip is pressed and records count on a digital display. Eliminates errors by leaving a visual mark. Records up to 99,999 counts with reset button. Durable ABS plastic housing provides excellent chemical and solvent resistance.
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