Select Product Options



Number of Chambers

Chamber Width

Chamber Depth

Chamber Height


ISO Class

PriceUsually Ships inStocked
FloorAcrylic817.125"15.25"11.75"ValuLine™ ES™ISO 8 $2,9541-3 Days Stocked
FloorAcrylic416.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,4531-3 Days Stocked
FloorAcrylic516.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,7771-3 Days Stocked
FloorAcrylic617.125"15.25"11.75"ValuLine™ ES™ISO 8 $2,1721-3 Days Stocked
FloorAcrylic1017.125"15.25"11.75"ValuLine™ ES™ISO 8 $3,6111-3 Days Stocked
FloorStatic Dissipative PVC817.125"15.25"11.75"ValuLine™ ES™ISO 8 $3,8341-3 Days Stocked
FloorStatic Dissipative PVC416.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,8861-3 Days Stocked
FloorStatic Dissipative PVC516.625"15.125"11.75"ValuLine™ ES™ISO 8 $2,3061-3 Days Stocked
FloorStatic Dissipative PVC617.125"15.25"11.75"ValuLine™ ES™ISO 8 $2,8251-3 Days Stocked
FloorStatic Dissipative PVC1017.125"15.25"11.75"ValuLine™ ES™ISO 8 $4,6891-3 Days Stocked
BenchtopAcrylic115"15.125"11.75"ValuLine™ ES™ISO 8 $5341-3 Days Stocked
BenchtopAcrylic216.625"15.125"11.75"ValuLine™ ES™ISO 8 $7991-3 Days Stocked
BenchtopAcrylic316.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,1211-3 Days Stocked
BenchtopStatic Dissipative PVC116.625"15.125"11.75"ValuLine™ ES™ISO 8 $6941-3 Days Stocked
BenchtopStatic Dissipative PVC216.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,0341-3 Days Stocked
BenchtopStatic Dissipative PVC316.625"15.125"11.75"ValuLine™ ES™ISO 8 $1,4571-3 Days Stocked


  • ISO Rating: ISO 8
  • Low cost desiccator cabinet designed for long-term, low-throughput dry storage
  • Extended Storage™ design is ideal for long-term storage that doesn't require frequent parts access
  • Optional Smart® module automatically monitors RH in cabinet for faster RH recovery and less N2 waste
  • Perfect for cleanroom, lab, or stockroom use where recovering low-humidity set-point is not critical
  • Also suitable for use with silica bead desiccant or simply for clean particle-free storage
  • Terra’s ValuLine™ ES™ Extended Storage desiccator cabinets combine low cost and strength for long-term dry storage that doesn't require rapid recovery or critical low-humidity set-points.
  • NOTE: Cabinet design not recommended for applications with frequent parts access, or those requiring fast RH recovery rates.
  • Built-in digital thermohygrometer displays internal temperature and RH to help monitor conditions.
  • Grounding is not standard on all designs, choose ESD-safe designs and static-control options to protect sensitive materials against ESD. Conforms to DOD Handbook 263, MIL-SPEC 1686 and 1772 with selection of proper accessories.
  • Choose from 2 transparent material types:
  •        Low cost acrylic
  •        ESD-safe and chemical resistant static-dissipative PVC (SD-PVC)
  • Optional Accessories:
  • Smart® humidity control module automatically monitors and displays relative humidity in the cabinet for faster set-points and improved efficiency with reduced consumption of nitrogen gas. Requires Automatic RB™ (relief/bleed) valve, sold separately.
  • Alternatively, a flowmeter and Automatic RB™ (relief/bleed) valve allow for manual control of nitrogen gas.
  • Other optional accessories sold separately: data logger, silica desiccant, removable shelves, stand, casters.
  • Cabinet Design:
  • Innovative wall fusing technology creates a rigid, durable structure for improved weight capacity and resistance to high-frequency vibrations.
  • Slotted chambers help circulate and mix dry nitrogen throughout the cabinet to minimize moisture “blind spots” and further dilute moisture present inside the cabinet.
  • Built-in shelf rack systems allow for high-capacity, organized storage (removable shelves sold separately).
  • Includes port for installing Terra flowmeter (order separately).
  • Transparent walls help quickly find items anywhere inside the cabinet.
  • Door Design:
  • Reinforced doors include exterior stainless steel plating plus stiffening bars on the inside of the doors to increase rigidity for a longer service life.
  • Cleanroom compliant design includes corrosion resistant, non-particle shedding hardware:
  •        Self-closing 316L stainless steel hinges with superior corrosion resistance help both hold open and tightly close doors.
  •        Swell latches open/close with the flick of a finger to save wrist strain. An expanding rubber bushing firmly seals doors to prevent dust and moisture from leaking in.
  • Closed-cell foam gasket around each reinforced door provides a superior protective seal to prevent air, vapor, moisture, water, and dust infiltration; resists weathering, UV oxidation, mildew and fungus.



Marks & Listings: CE, UL, ULC

ValuLine™ ES Desiccators
Standard Features
  • A Grounding terminal
    Grounding terminal (SDPVC models)
  • B Thermohygrometer
  • C Expansion latch
    Expansion latch
  • D Chrome-plated hinges
    Chrome-plated hinges
  • E Range of Materials
    Material: acrylic (E1) or static-dissipative pvc (E2)
  • F Chrome-plated wire racks
    Chrome-plated wire racks
  • G Reinforced doors
    Reinforced doors
Optional Features
  • 1 Flowmeter
    Regulates nitrogen flow into the cabinet
  • 2 Relief/Bleed Valve
    Relief/Bleed Valve

Not Shown: Powder-coated stands - Powder-coated stands

Not Shown: Nitrogen Generator - Nitrogen Generator

ValuLine ES Plastic Desiccator Cabinets

  • Smart Module with LED Display for Relative Humidity Smart Module with LED Display
  • Desiccators: Features and Design overview
  • ValuLine™ Desiccators from Terra Universal
  • Two plastic desiccator cabintes in a municipal water treatment facility ValuLine™ ES Desiccators in Water Treatment Plant
  • nitrogen desiccator cabinet with 5 chambers for dry inert storage of pharmaceuticals ValuLine™ Desiccator Cabinet with 5 Chambers, Static-Dissipative PVC

Features and Benefits

Stainless Steel-Reinforced Doors

Stainless steel reinforcing bar provides added rigidity and durability to plastic doors.


Displays internal temperature and relative humidity (one included on each cabinet).

Closed-Cell Door Gasket on Reinforced Door

Closed-cell door gasket maintains internal positive pressure when purged with dry gas, and stainless steel reinforcements extend door life

Durable Embedded Static-Dissipative Layers

Terra's SDPVC features bonded dissipative layers that resist abrasion. SDPVC desiccators retain their surface resistivity of 106 - 108 ohms/square indefinitely (unlike spray-on coatings that can wear off after a few years), protecting your materials against ESD damage. Further, the control of static charges eliminates particle attractions, helping maintain clean surfaces.

Smart Module with LED Display

In minutes, upgrade your ValuLine desiccator to an automatic nitrogen control system with Terra's economical Smart module.

ValuLine™ Plastic Desiccator Cabinet

Terra's nitrogen desiccator cabinets clearly surpass any manufacturer's design quality, contamination control, and availability. Easily upgrade to an automatic nitrogen control system with Terra's Smart module.

Self-Closing 316L Stainless Steel Hinges

Self-closing 316L stainless steel hinges use springs to both hold open and help tightly close doors. Stainless steel drastically extends service life and minimizes corrosion, flaking, and contamination that commonly occur with ordinary chrome-plated hinges.

Cleanroom Compliant Swell Latches

Swell latches open/close with the flick of a finger to save wrist strain. An expanding rubber bushing firmly seals doors to prevent dust and moisture from leaking in, plus eliminates corrosion, flaking, and particle contamination from chrome-plated latches.

Highest Standards For Desiccators and Electronic Components

Terra’s desiccator cabinets and RH control systems are designed and built to the highest standards required by defense and semiconductor industries for long-term reliability and protection against damage, injuries, and electrical hazards.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Complete Project Transparency

Terra is dedicated to complete transparency on project status, shipment tracking, and installation scheduling

ISO 7 Smart® Desiccator Cabinet on Automatic Height Adjustable Workstation

Automatic height adjusting workstations allow users to quickly alternate between comfortable sitting and standing positions while performing different tasks with heavy equipment on the workspace, such as this Smart® Desiccator Cabinet connected to a Nitrogen Generator.

Catalog of CE-Marked Products

Terra offers over 1,700 CE-marked products configured for international voltage requirements

Products Compliant With Your ISO Rating

Provide Terra with your desired ISO rating. We will tailor the product to meet your rating and certify it with the serial numbers appended to your invoice, to be included in your compliance package.
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Universal Adjustable Base Stands for Desiccator Cabinets and Cleanroom Equipment

    Stainless steel or powder-coated steel base stands easily adjust to fit cabinets, desiccators and cleanroom equipment of any size or shape. Stands raises equipment to ergonomic height to ease disinfection and sample monitoring. BioSafe design suitable for any cleanroom or lab environment.
  • Humidity and Temperature Data Logger

    Records storage conditions inside a Desiccator chamber-adjustable logging interval (hours to months), USB port for easy data download in several formats.
  • 3-inch Diameter Caster Set

    Casters are easily retrofitted for mobility. Products can be rolled out of the way when cleaning or relocated as workflow changes.
  • Flow Meter Helps Monitor and Control Nitrogen Gas Flow

    A flow meter is a low-cost option suitable for non-critical applications or small desiccators that do not require much inert gas. However, manual control is more prone to human error and not as efficient with the consumption of inert gas, which can lead to damaged products and high operating costs.
  • Smart Module with LED Display

    Upgrade your desiccator to an automatic nitrogen control system with Terra's economical, programmable Smart Module.
  • Laboratory Nitrogen Generator

    Terra’s Nitrogen Generators provide a continuous, reliable supply of clean, dry nitrogen up to 99% pure to eliminate dependence on bulky canisters to operate desiccators and glove boxes.
  • Available Stainless Steel Shelves and Trays

    Adjustable, non-contaminating shelves and trays slide on stainless steel racks, allowing easy parts access (one perforated shelf included)
  • Relief-Bleed Valve

    One way-valve relieves pressure and releases moisture-laden air
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