Plethysmometers for Rats &Mice MODEL MK-101CMP Plethysmometer for Rats & Mice MK-101CMP is a plethysmometer designed for precise and rapid screening of small rodents for inflammation or edema of the... MODEL MK-101P Plethysmometer for Rats or Mice MK-101P is a plethysmometer designed for precise and rapid screening of small rodents for inflammation or edema of the p...