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Bio-medical Instruments BMI SCBMI

Quick Stress Test Biofeedback Cards with bio-medical.com Logo (20 Pack)

$ 27.00

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Temperature indicator, credit card size in durable plastic. Liquid crystal square turns color as it is warmed by the finger. A color grid on the card compares the crystals color to Stressed, Tense, Normal or Calm. 20 cards per package.

Regular Price: $30.00

Special Price $27.00

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