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Terra Part #PriceShips in
Clear Acrylic20124"Dead Air Mini-HoodClear Acrylic 4950-89 15425 $7511-3 Days2
13 in stock
Non-Dissipative PVC20124"Dead Air Mini-HoodNon-Dissipative PVC 4950-92 15428 $8251-3 Days3
13 in stock
Static-Dissipative PVC20124"Dead Air Mini-HoodStatic-Dissipative PVC 4950-90 15426 $1,2521-3 Days4
Only 5 left in stock
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Custom-configured product: Terra will quote.
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Product Details
  • Easily placed over small process equipment, beakers, flasks and other materials to protect against spills and fumes
  • Prevents drafts from affecting delicate measurements with electronic balances
  • Hinged access shield swings open for additional clearance
  • Balances
  • Ideal for use with today's sensitive electronic balances—transparent barrier protects against drafts, bumps, spills, and splashes
  • Removable lid provides easy access for adding liquids or dry chemicals from top

Specialty Laboratory Hoods

  • Clear Acrylic Dead-Air Box Acrylic Mini Hood (Dead-Air Box)
  • Polypropylene Dead-Air Box Polypropylene Mini-Hood (Dead-Air Box)
  • Two Sizes Acrylic Balance Shields Two Sizes Balance Shields Acrylic
Features & Benefits

Features & Benefits

Specializing Common Lab Hoods

Adapting Common Laboratory Hoods for Specialty Purposes

Most hoods designed for specialty applications are derived from standard laboratory configurations (e.g. laminar flow and fume hoods) adapted to specific requirements.


PCR Workstations

Polymerase chain reaction (PCR) is a common technique used in molecular biology to exponentially amplify a target region of DNA or RNA. PCR can turn a single piece of DNA into more than a million pieces in the matter of hours. Unfortunately, a single piece of contaminating DNA can also be amplified, making it extremely important that researchers work within a sterilized area that prevents cross contamination of samples.

PCR workstations were designed to minimize this problem. Adapted from laminar flow hoods, PCR workstations provide HEPA-filtered, sterile air within the hood. These hoods are outfitted with UV-C germicidal lights to disinfect the work surface when the hood is not in use. The lights are also placed on a timer to reduce the risk of UV exposure. In addition to its germicidal properties, UV-C light also causes breaks in strands of DNA that prevent the DNA from being amplified during PCR. Therefore, the UV-C light also serves to prevent carry-over contamination from previous experiments.

Explosion-Proof Hoods
Explosion Proof Vertical Laminar Flow Hood in Use

Explosion-proof hoods are a variation of either the laminar flow or exhaust fume hood, designed for work involving potentially flammable material. The conventional motor of the hood is replaced by an NEC Division I-rated non-sparking motor, mounted in a cast-iron, explosion-proof housing. In addition, the hood features an explosion-proof light, and all wiring is encased in filled rigid conduit.

These hoods bear an NEC sub-rating: Division I, Class 1 indicates suitability for use where flammable materials are generally present, and Division I, Class 2 indicates suitability for use when such materials are only intermittently present.

Balance Enclosures
Labconco RXPert Double Filtered Balance System with Model

Weighing dry powder chemicals is a routine laboratory task. Weighing procedures frequently result in some of the powder becoming airborne irritants – and potentially toxic threats – to lab personnel. Balance enclosures minimize this danger.

They are essentially ductless fume hoods with a few minor modifications. These negative pressure enclosures direct air from outside the hood through a HEPA filtration system before it is returned to the room. The HEPA filtration system is 99.99% effective in removing particles as small as 0.3 microns in diameter from the air, virtually eliminating the risk of personnel exposure. The front sash of the balance enclosure opens upward, allowing easy transfer of balances into and out of the enclosure.

Nanoparticle Enclosures
xpert nano enclosure ionization illustration

These enclosures are essentially balance enclosures that use an ULPA filter, which is 99.995% efficient in removing particles as small as 0.12 microns, to contain the much smaller particles generated during nanomaterial processing.

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.

Dedication to Business Ethics

Terra is committed to conducting business according to the highest standard of professional ethics and conduct. To review Terra’s ethics code, please visit: https://www.terrauniversal.com/ethics-policy/

Protecting Personal Information

Terra is committed to ensuring that our customer’s personal information is secure. In order to prevent unauthorized access or disclosure, Terra has developed procedures to safeguard and secure information collected online and offline.
Available Accessories
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Benchtop Vertical Laminar Flow Hood with Automatic Height Adjusting Table

    Vertical laminar flow hoods provide a HEPA-filtered work area for protection from particle contaminants. Benchtop laminar flow hoods can easily mount to an automatic height adjusting table (28”-43”H). Perfect for workstations with heavy or fragile equipment.
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