Labconco Freezone 4.5 Benchtop Freeze Dryer

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The Labconco FreeZone 4.5 Liter Freeze Dryer offers is designed for preserving and storing biological specimens, foods or pharmaceuticals through lyophilization. Freeze drying first freezes a sample and then reduces the surrounding pressure, and then lastly adds just enough heat to cause the water to sublime. Because of its nondestructive nature, this process has been used extensively in pharmaceuticals, like antibiotics and in the preservation viruses, plasma and microorganisms. Especially effective for substances that are heat sensitive, this lyophilizer is designed for light aqueous sample loads, and can remove 4.5 liters of water within 24hrs in optimal conditions. The refrigeration system on this lyophilizer is 1/3 hp and is HCFC/CFC free with collection temperatures at -50° C (-58° F). This freeze dryer can remove up to 2 liters of water over 24 hours, holding 4.5 liters of ice before defrosting, and performs best when the ambient room temperature is 70° F (21°C) or cooler.

The Labconco FreeZone 4.5 Liter Freeze Dryer features a sturdy brushed stainless and powder coated steel exterior, a 12-port stainless steel drying chamber, and LCD screen to access operating parameters. This lyophilizer displays information such as set-up and alarms messages, temperature and vacuum choice (mBar, Pa and Torr) and controls, vacuum and temperature graphs, moisture sensor. The Labconco FreeZone 4.5 Liter Freeze Dryer is CFC free and is not a danger to the environment. This lyophilizer has a vacuum pull down with a manual override, and an automatic start up switch for the collector cool down. At the back of this freeze dry system is a RS-232 port, and an electrical receptacle for a vacuum pump connection. 

Please note this freeze dryer is not for samples containing acetonitrile. 

Labconco 4.5 Freezone Benchtop Freeze Dryer Specifications:


102.0 lbs

Weight metric: 

46.0 kg


18.6" w x 18.5" d x 22.5" h

Dimensions metric: 

47.2 cm w x 47.0 cm d x 57.2 cm h


115 volts, 60 Hz, 14 A

Collector Temperature: 

-50°C /-58°F



Electrical Standard: 

U.S. and Canada

Ice Holding Capacity: 

4.5 L

Plug Type: 

North America, 115 volt, 20 A



Vacuum Pump Displacement Required: 

86 L/Min. or larger displacement

  • Labconco FreeZone 4.5 Liter Freeze Dryer
  • 12 Port Stainless Steel Manifold with Lid
  • Valve Stems
  • Vacuum Pump with Hose and Clamps
  • Operator's Guide
  • 30 Day Warranty

The Labconco FreeZone 4.5 Liter Freeze Dryer has been thoroughly inspected and is performing to expectations, including pulling down to -55°C and get full vacuum. All ports and chamber have been leak tested and Lyophilizer is in perfect working condition. All of our lab equipment comes with our standard warranty. Should you have any questions, please don't hesitate to contact us.

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