The Gamma-Irradiated,
 Triple-Sleeved ICR-Swab

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A Unique All-in-One System Carrying Its Own Culture Broth

The ICR-Swab from Merck is a unique system for environmental monitoring of dry surfaces, such as filling needles, equipment recesses, uneven surfaces and tubing in clean rooms and isolators. It is a qualitative presence/absence test for microbiological contamination. This ‘all-in-one’ ICR-Swab system requires opening only once for sampling. All further steps, such as addition of broth, incubation and detection of turbidity, are performed within the closed system, thus minimizing the risk of potential contaminations due to handling.

heipha ICR-Swab


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Secure & Reliable

  • Merck’s all-in-one swab: Needs opening only once for sampling, thus minimizing the risk of secondary contaminations due to handling
  • Triple-sleeve packaging: Enables safe transportation in clean rooms (ISO 5) and isolators
  • H2O2-impermeable inner packaging: Protects medium from VHP vapor during decontamination of isolator
  • Gamma-sterilization in the ICR-Swab’s final packaging (25 to 35 kGy): Minimizes the risk of contamination
  • Pre-moistened swab tip: Leaves no growth-promoting residues on surface


  • Convenient: Easy handling steps to minimize risks
  • Room temperature stability: Storable at site of use
  • Integrated hanging-up device: Convenient to use in isolators


  • Suitable for monitoring of difficult to access surfaces such as filling needles, equipment recesses, tubing etc.
The ICR Swab is designed for qualitative microbial presence/absence tests


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heipha ICR-Swab Brochure


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