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Positive Ventilation
Micro-VENT Systems

Micro-VENT full ventilation environmental rodent housing systems are designed to provide High Efficiency Particulate Air (HEPA) at low velocities into both Micro-Barrier mouse and rat housing units and capture effluent air escaping from the cage.

Available Mouse Cage Sizes

  • Standard:
    Cage dimensions: 7" x 11" x 5"h/191mm x 292mm x 127mm shoebox size
    Floor space: 67 sq. in/435 sq. cm
  • 75Jag:
    Cage dimensions: 7.5" x 11.5" x 5"h/186mm x 298mm x 128mm
    Floor space: 75 sq. in/484 sq. cm mouse cage
  • 10196:
    Cage dimensions: 10" x 19" x 6"h/267mm x 483mm x 152mm colony cage
    Floor space: 153 sq. in/980 sq. cm

Available Rat Cage Sizes

  • 10198:
    Cage dimensions: 10" x 19" x 8"h/267mm x 483mm x 203mm
    Floor space: 143 sq. in/920 sq. cm
  • 10147:
    Cage dimensions: 10" x 14" x 7"h/393mm x 285mm x 194mm
    Floor space: 143 sq. in/920 sq. cm

Available Cage Materials (Mouse & Rat)

  • Polycarbonate
  • Udel® polysulfone
  • Clear Udel® polysulfone
  • Radel® polyphenylsulfone

Overall Rack Features

  • Individual cages pressurized with HEPA filtered air, reducing Ammonia and CO2 levels
  • Effluent air is recaptured and HEPA filtered before return to macro environment
  • Optional Airflow Control Accessories facilitate connection to house HVAC systems
  • HEPA filtered supply and exhaust air
  • Easy Connect cage locks provide visual verification
  • Optional Wi-Com Vantage Wireless Rack Monitoring

Mouse-Specific Features

  • Smart Bio-PAK maintains constant air flow, preset from 30 to 100 air changes per hour
  • Available with 75 Jag, standard shoebox, or large colony cages
  • Mouse configuration: 30 cage to 160 cage

Rat-Specific Features

  • Smart Bio-PAK maintains constant air flow, preset from 50 to 80 air changes per hour
  • Rat configuration: 30 to 80 cage

Air Flow

The Micro-VENT system maintains a consistent air exchange within the micro environment to eliminate the effects of ammonia, CO2 and humidity build-up by introducing the HEPA filtered air into the housing system.

The Micro-VENT system is additionally designed to capture the effluent air from each cage as it escapes through the perimeter of the Micro-Barrier System.

The Micro-VENT system utilizes a "U" channel that guides the cage into position as well as providing a channel to capture dust, dander and cage particulate emanating from the cage, preventing them from entering the macro room environment.


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