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Labconco™ Benchtop FreeZone™ Freeze-Dry Systems, US Models: 4.5L

With a small footprint and four rubber feet, these smaller capacity models fit easily on benchtop and are ideal for light and moderate loads

Supplier:  Labconco™ 7750021

Catalog No. 10-271-11

Item Discontinued This item has been discontinued by the supplier and is no longer available. Please reach out to your sales representative. View substitute products »

  • 8 ft. (2.4m) cord
  • Models wired for 115V, 60Hz include 3-wire cord with 20A NEMA 5-20P plug

Requires : Drying chambers or other drying accessories, vacuum pumps and glassware. Come with permanently installed 10-port stainless-steel drying chamber for bulk sample connection.



  • Refrigeration system cools collector to -50°C (-58°F)
  • Has stainless-steel drying chamber with 10 valves to connect serum bottles, ampules, or freeze-dry flasks with 0.5 to 0.75 in. adapters (available separately)
  • Upright collector chamber simplifies defrosting; many models include built-in hot gas defrost to quickly melt any collected ice
  • Automatic one-button startup initiates condenser cooldown and vacuum pulldown
  • LCD indicates temperature in °C or °F; vacuum in mbar, Pa, and torr
  • LED vacuum and temperature “waves” show relative system vacuum and collector temperature LED alarm light flashes for abnormal events, including power interruptions, improper power supply, when collector temperature rises above -40°C, and required vacuum pump service
  • Vacuum control valve maintains vacuum level


  • RS-232 port can be used to transmit data to a computer
  • Features
    • Easy to service with retractable drain hoses
    • Cabinets are white powder-coated steel with brushed stainless-steel front panels and blue accents
    • Benchtop models easily fit on laboratory benchtop to process light to moderate loads
    • PTFE-coated collector chamber and coil for processes involving corrosive compounds are available

    Order Info

    International models are also available. Contact your Fisher Scientific Customer Service Representative for pump compatibility.

    Service Plan

    Service agreement available.



    Benchtop Freeze Dry System
    >2 L
    PTFE-coated coil and collector chamber
    18.6 in.
    115 V
    60 Hz
    4.5 L
    18.5 in.
    22.5 in.
    115 V 60 Hz


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