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Bio-medical Instruments BMI SCBLANK

Quick Stress Test Biofeedback Cards with No Logo (20 Pack)

$ 28.80

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Credit card size, durable plastic temperature indicator. A liquid crystal square changes color as it is warmed by the finger, indicating Stressed, Tense, Normal or Calm. 20 cards per package.

Regular Price: $32.00

Special Price $28.80

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