STERIZONE® VP4 Sterilizer

  • Single programmed cycle simplifies staff operation and training
  • Mixed load capability eliminates instrument sorting and sequencing
  • 75 lb. total mixed instrument load weight for high throughout
  • Dual H2O2 and O3 sterilants deliver high sterilization lethality
  • Click here for the VP4 Compatibility Matrix!

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The STERIZONE® VP4 Sterilizer is a low-temperature (41°C or 105.8°F) sterilization system that utilizes the dual-sterilants of vaporized hydrogen peroxide (H2O2) and ozone (O3) to achieve terminal sterilization of heat and moisture sensitive medical devices. Its single pre-programmed cycle can sterilize a large number and wide range of compatible devices, creating a cost-effective, error-free sterilization process. This capability removes the guesswork and potential for human error as there is no need to sort instruments and choose the appropriate cycles as with other machines.

The STERIZONE® VP4 Sterilizer is the only low temperature sterilizer that can process a mixed load consisting of general instruments, single channel flexible endoscopes, and single or double channel rigid endoscopes, in the same cycle with load weights of up to 75 lb. This ability to run mixed loads significantly reduces labor costs by minimizing the amount of instrument sorting required, while maximizing the device turns (more productivity from increased throughput capacity). Other H2O2 sterilizers are limited to load weights of up to only 25 lb. and require dedicated fixed cycles for different types of instruments (reducing overall throughput).

Technical data

Technical Specifications
Dimensions (inches) - WxDxH 30.5 x 48.6 x 75.5
Dimensions (cm) - WxDxH 77.5 x 123.5 x 191.8
Chamber Volume 4.4 cu ft. / 125 L
Weight 1,245 lb. (565 kg)

System Components:

  • STERIZONE® VP4 Sterilizer
  • STERIZONE® Loading Rack
  • STERIZONE® Loading Cart
  • 125-280 Solution™ Sterilant Bottle
  • STERIZONE® BI+ Biological Indicator
  • STERIZONE® CI+ Chemical Indicator
  • STERIZONE® VP4 Test Pack


Loading Equipment & Accessories

STERIZONE® Load Cart sterizone load cart
The stainless steel loading cart provides ease of movement and is designed for the ergonomic and efficient transfer of the loading rack into the unit. Four lockable swivel wheels allow the cart to be maneuvered around tight corners. Lower shelving provides additional storage space for supplies.

The specially designed loading rack is equipped with three perforated shelves, two of which are height adjustable, allowing the operator to configure the rack to accommodate all types of mixed loads. The configurable rack is a key system component in achieving high productivity and load throughput. The STERIZONE® Load Rack and Cart used in combination provides a "zero gravity"solution for the user eliminating the need to lift heavy loads for introdution to the chamber.

Sterility Assurance
The unique design of the STERIZONE® Test Pack uses the STERIZONE®
Biological Indicator and Chemical Indicator combined with a diffusion restriction element. The result is a sterility monitoring device that provides equivalent or greater challenge than worst case devices and loads.

Product Innovations

  • First (and only) dual sterilant sterilizer cleared by the FDA for sale in the US.
  • First low-temperature sterilizer with a load-sensitive Dynamic Sterilant Delivery System™.
  • First documented "wet" cycle with validated micro-condensation sterilant layer.
  • First Biological Indicator Test Pack to survive past the first half-cycle.
  • First single cycle, low-temperature sterilizer cleared to process a 75-pound load of general instruments, single-channel flexible endoscopes, rigid and semi-rigid channeled devices.


Product brochure

STERIZONE® VP4 Low Temperature Sterilizer Brochure - English Version

[ EN-US ]

Product specification

STERIZONE® VP4 Low Temperature Sterilizer Product Specification

[ EN-US ]


Sterilizer Family Risk Management

[ Sterilizer Family Risk Management Brochure ]