Mouse Laminar Flow Rack
Vertical laminar flow rack with HEPA filtration providing ISO 5 clean environment for sterile mouse cage changing and handling operations.
Louise Corscadden, PhD
Neuroscience · ConductScience
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The Mouse Laminar Flow Rack delivers ISO 5 clean air environment through vertical laminar airflow with HEPA filtration for cage changing and animal handling operations in research facilities. The unit provides 99.99% filtration efficiency at 0.3 micron particle size, creating a sterile workspace that protects both animals and personnel from airborne contaminants during routine husbandry procedures.
Vertical laminar flow systems direct HEPA-filtered air downward through the work surface at uniform velocity, continuously sweeping particles away from the critical work zone. This unidirectional airflow pattern minimizes turbulence and prevents contaminants from settling on cage surfaces or being redistributed within the workspace during mouse handling operations. The rack integrates into existing animal facility workflows for routine cage changing, brief animal examinations, and transfer procedures where maintaining sterile conditions is essential for research integrity and animal welfare.
How It Works
The vertical laminar flow system operates by drawing ambient air through pre-filtration stages before passing it through HEPA filters that remove 99.99% of particles 0.3 micrometers and larger. The filtered air is then directed downward through the work surface in a uniform, unidirectional pattern at controlled velocity.
This downward airflow creates a positive pressure environment within the workspace, preventing unfiltered air from entering the critical zone. As the laminar flow moves across the work surface, it continuously sweeps airborne particles, hair, dander, and other contaminants away from the cage changing area and toward the exhaust zones. The uniform velocity profile minimizes turbulence that could cause particle resuspension or create dead air zones where contaminants might accumulate.
The ISO 5 classification indicates the workspace maintains fewer than 100,000 particles per cubic meter for particles 0.1 micrometers and larger, providing a controlled environment suitable for sterile animal handling procedures while protecting both the animals from environmental pathogens and personnel from potential allergens or zoonotic agents.
Features & Benefits
Airflow
- Vertical laminar flow
Filtration
- HEPA (99.99% at 0.3 micron)
Clean Class
- ISO 5
Automation Level
- manual
Brand
- ConductScience
Species
- Mouse
Research Domain
- Cancer Research
- Immunology
- Laboratory Animal Medicine
- Neuroscience
- Pharmaceutical QC
- Toxicology
Weight
- 80.0 kg
Dimensions
- L: 65.0 mm
- W: 32.0 mm
- H: 82.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Airflow Direction | Vertical laminar flow | Entry-level models often use horizontal airflow patterns | Vertical flow sweeps contaminants away from both the work surface and researcher, providing superior protection for sensitive animal models. |
| Clean Air Classification | ISO 5 environment | Basic units may achieve ISO 7 or ISO 8 classifications | Higher cleanliness standard reduces particulate contamination risks for immunocompromised research animals. |
| Filtration Efficiency | 99.99% at 0.3 micrometer particle size | Standard HEPA filters vary in stated efficiency levels | High-efficiency filtration removes bacteria, viruses, and allergens that could compromise animal health or research outcomes. |
| Species Optimization | Mouse-specific design | Multi-species units may have generic workspace layouts | Optimized dimensions and airflow patterns specifically accommodate mouse caging systems and handling protocols. |
| Operation Mode | Manual operation | Automated systems with preset timing cycles | Manual control allows researchers to adapt procedures to specific experimental protocols and animal handling requirements. |
This vertical laminar flow rack combines ISO 5 clean air performance with mouse-specific design optimization and manual operation flexibility. The 99.99% efficient HEPA filtration and unidirectional airflow pattern provide enhanced contamination control for sensitive research applications.
Practical Tips
Allow 15-20 minutes for airflow stabilization after startup before beginning cage changing operations.
Why: Stable airflow patterns ensure consistent contamination control throughout the work session.
Clean work surfaces with laboratory-grade disinfectants between cage changing sessions and at the end of each day.
Why: Regular surface decontamination prevents buildup of organic matter that could compromise sterile conditions.
Verify airflow patterns monthly using smoke pencils or particle counters to ensure uniform downward flow.
Why: Consistent airflow verification detects filter loading or mechanical issues before they compromise workspace sterility.
Position waste containers and soiled bedding outside the clean airflow zone to prevent particle resuspension.
Why: Contaminated materials within the laminar flow can become sources of particle redistribution in the clean workspace.
Establish standardized cage changing sequences that minimize time spent with cage lids removed in the airflow.
Why: Consistent handling protocols reduce variability in animal exposure to environmental contaminants between experimental groups.
Monitor for unusual noise or vibration that may indicate fan imbalance or filter restriction requiring attention.
Why: Early detection of mechanical issues prevents sudden airflow failures during critical animal handling procedures.
Train all personnel on proper body positioning to avoid disrupting laminar airflow patterns during cage changing.
Why: Operator movement can create turbulence that compromises the unidirectional flow essential for contamination control.
Setup Guide
What’s in the Box
- Mouse Laminar Flow Rack main unit
- HEPA filter assembly
- Power cable
- Installation manual
- Operating procedures guide
- Airflow verification instructions (typical)
Warranty
ConductScience provides a one-year manufacturer warranty covering defects in materials and workmanship, with technical support for installation and operational guidance.
Compliance
References
Background reading relevant to this product:
What particle size range does the HEPA filtration effectively remove?
The HEPA filters provide 99.99% efficiency at 0.3 micrometer particle size, effectively removing bacteria, viruses, allergens, and most airborne contaminants relevant to animal research environments.
How do I verify proper airflow performance during operation?
Use smoke pencils or lightweight tissue paper to visualize airflow patterns, ensuring uniform downward movement across the entire work surface without dead zones or turbulent areas.
What maintenance schedule is required for optimal performance?
Consult product datasheet for specific maintenance intervals. Generally includes regular work surface cleaning, filter replacement monitoring, and periodic airflow verification.
Can this unit handle multiple cage changing operations simultaneously?
The work surface accommodates standard mouse caging systems, with actual capacity dependent on cage dimensions and researcher workspace requirements during handling procedures.
How does this compare to horizontal laminar flow systems?
Vertical flow provides superior contamination control by directing particles away from both the work surface and the operator, while horizontal systems may blow contaminants toward the user.
What power requirements are needed for installation?
Consult product datasheet for specific electrical requirements. Standard laboratory electrical supply is typically sufficient for laminar flow units of this size class.
Is the unit suitable for housing immunocompromised mouse strains?
The ISO 5 clean environment and HEPA filtration support handling of immunodeficient animals, though specific protocols should align with institutional biosafety guidelines for each strain.
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