Esco VIVA Animal Bedding Processing Workstation VBD-4A1
| Brand | Esco |
|---|---|
| Origin | Singapore |
| Model | VBD-4A1 |
| Cabinet Class | Class II Biological Safety Cabinet |
| External Dimensions (L×W×H) | 1247 × 760 × 1966 mm (adjustable up to 2271 mm height) |
| Internal Dimensions (L×W×H) | 1040 × 680 × 594 mm |
| Inflow Air Velocity | 0.35 m/s (70 fpm) |
| ULPA Filter Efficiency | ≥99.999% @ 0.12 µm |
| Power Supply | 220–240 VAC, 50 Hz |
Overview
The Esco VIVA Animal Bedding Processing Workstation VBD-4A1 is a purpose-engineered Class II biological safety cabinet designed specifically for the safe, ergonomic, and compliant handling of animal bedding materials, soiled caging, and associated allergenic or odorous particulates in preclinical research, vivarium support, and comparative medicine laboratories. Unlike standard biosafety cabinets intended for microbiological containment, the VBD-4A1 integrates specialized airflow architecture—combining inward-facing personnel protection inflow (0.35 m/s), downward laminar downflow across the work surface, and dual-stage filtration—to simultaneously isolate airborne allergens (e.g., dander, endotoxins, rodent urinary proteins), neutralize volatile organic compounds (VOCs), and contain biohazardous waste streams. Its operational principle follows EN 12469 and NSF/ANSI 49-compliant Class II A2 design fundamentals but extends functionality through application-specific engineering: hydraulic height adjustment, integrated NSF-certified waste containment, and ELISA-validated allergen retention performance.
Key Features
- Hydraulic height-adjustable work surface (1966–2271 mm total height), enabling ergonomic positioning for users of varying stature and reducing repetitive strain during prolonged bedding transfer and cage washing tasks.
- ULPA filtration system with ≥99.999% efficiency at 0.12 µm particle size, validated per IEST-RP-CC001.3 and tested using sodium chloride aerosol challenge; ensures robust personnel and environmental protection from fine particulate allergens generated during bedding agitation.
- Nanocarb™ activated carbon filter layer upstream of the ULPA stage, engineered for high-capacity adsorption of ammonia, hydrogen sulfide, and other low-molecular-weight VOCs commonly emitted from soiled rodent bedding—critical for maintaining indoor air quality and mitigating occupational olfactory stress.
- Sentinel™ microprocessor controller providing real-time monitoring of inflow velocity, filter differential pressure, UV lamp status, and alarm logging; supports audit-ready event history with timestamped entries compliant with GLP documentation requirements.
- Seamless, electropolished stainless steel work surface with fully radiused corners (R ≥ 10 mm), ISOCIDE® antimicrobial coating (ISO 22196:2011 certified), and dedicated sloped spill-containment zone facilitating rapid, residue-free disposal of wet bedding and debris directly into the integrated 40-gallon NSF/ANSI 51-certified waste bin.
- Prefilter assembly (polyester media in cardboard frame) installed upstream of the ULPA filter, extendable service life by >300% under typical vivarium particulate load; designed for safe hot-swap replacement while the cabinet remains operational and airflow uninterrupted.
- Energy-optimized centrifugal blower system with brushless DC motor, delivering stable airflow performance at reduced acoustic output (<65 dB[A]) and lower power consumption versus conventional AC-driven systems.
Sample Compatibility & Compliance
The VBD-4A1 accommodates standard rodent and lagomorph housing systems—including static and ventilated cages (IVC), plastic and stainless steel enclosures, and automated bedding dispensers—within its 1040 × 680 mm usable work area. All structural materials comply with ISO 14644-1 Class 5 cleanroom compatibility standards for non-shedding surfaces. The unit meets NSF/ANSI 49–2022 (Class II, Type A2), EN 12469:2000, and AS/NZS 2252.2:2013. Optional accessories—including secondary 40-gallon NSF-certified waste bins (EQR/me-bin-1) and prefilter replacement kits (CRF/pf-13)—are supplied with full traceability documentation supporting FDA 21 CFR Part 11–aligned validation protocols.
Software & Data Management
The Sentinel controller stores up to 10,000 event logs with date/time stamps, user ID fields (via optional RFID badge integration), and configurable alarm thresholds. Data export is supported via USB 2.0 port in CSV format for integration into laboratory information management systems (LIMS) or electronic lab notebooks (ELN). Audit trail functionality satisfies GLP/GMP Annex 11 and ISO/IEC 17025:2017 clause 7.11.2 requirements for instrument data integrity. No cloud connectivity or remote access is implemented—ensuring full data sovereignty and alignment with institutional IT security policies.
Applications
- Primary processing of soiled bedding from SPF rodent colonies prior to autoclaving or incineration
- Allergen-sensitive cage changing in immunology or asthma model facilities
- Preparation of fresh bedding for behavioral phenotyping or metabolic studies requiring low-background environments
- Vivarium sanitation workflows involving enzymatic or chemical decontamination agents
- Handling of genetically modified animal models where cross-contamination risk must be minimized between strains
- Support of AAALAC-accredited institutions meeting Standard 1.3.1 (ventilation and containment) and Standard 2.2.4 (personnel health and safety)
FAQ
Is the VBD-4A1 certified for use with hazardous drugs or chemotherapy agents?
No. This workstation is not designed or certified for cytotoxic or antineoplastic agent handling; it is optimized exclusively for allergenic, odorous, and biologically inert particulate containment.
Can the ULPA filter be replaced on-site without external service?
Yes—filter replacement is tool-free and requires only trained personnel following Esco’s documented SOPs; all filter components are labeled with batch numbers and expiration dates per ISO 9001 traceability requirements.
Does the hydraulic lift mechanism require periodic maintenance or lubrication?
The self-lubricating gas-spring system is sealed for life and requires no scheduled maintenance; height calibration is verified annually as part of routine cabinet certification.
What validation documentation is provided with the unit?
Each VBD-4A1 ships with a Factory Acceptance Test (FAT) report, ULPA filter test certificate (per IEST-RP-CC001.3), airflow mapping summary, and ELISA-based allergen retention validation data against Mus musculus urinary protein (MUP) aerosols.
