Laboratory Fume Hoods: A Brief Introduction and Its Types

Fume hoods are generally used to keep vapours and toxic gases from contaminating the surroundings. This equipment, which is frequently used in laboratories, is critical for keeping people safe when they are exposed to hazardous chemicals. If you operate with chemicals, a ventilation system is essential for keeping harmful vapours out of the air. Fume hood plays a huge role in keeping away those gases, vapours, or dust that are harmful if inhaled. They keep you safe from inhaling particles that might affect your lungs.

It's critical to figure out what sort of fume hood you need, whether you're working on a home project or in a lab. The different types of fume hoods available are:

1. Bench-Top Fume Hood: A bench-top fume hood is one that sits upon a work surface approx. 36 inches above the floor. You'll also need a work desk, supporting base cabinet and an exhaust fan alongside the hood. Ductwork will be required for this sort of fume hood, which should be included in your installation costs.

2. Walk-In Fume Hoods: A walk-in fume hood is utilised in labs that handle a lot of large accessories and materials but still need to exhaust the smells and harmful gases effectively. These walk-in hoods enable users to operate safely with large, potentially hazardous items in a space that ventilates the odours and fumes.

3. Double-Faced Fume Hoods: A double-faced fume hood is best suitable for showing demonstrations. It is designed with entrances on both sides and can be viewed from all angles. This style of fume hood is available as a bench-top or wall-mounted device or as a portable one. These are frequently seen in classrooms or laboratories where there are a lot of educational demonstrations.

4. Portable Fume Hoods: Portable fume hoods are also recognised as recirculating range hoods. They are ductless, which means they use a carbon filter system to work. These hoods are less expensive, easy to install, transportable and energy efficient. There is no need for ducting or wall penetration during the installation procedure. They're generally smaller or on wheels, which allows you to move them around your lab. If energy consumption is a concern, not to worry, as these hoods are more environmentally friendly than full-sized fume hoods.

5. Canopy Fume Hoods: The canopy fume hood is a ventilation device that helps in removing odours and heat steams. These devices are commonly used over ovens or steam baths, and they are fixed to a wall or ceiling for simple removal and access. Individuals can also customize these fume hoods to fit in a specific space inside the laboratory in order to provide adequate ventilation.

6. Extractor Arm Fume Hoods: An extractor arm fume hood is a local exhaust ventilation equipment that is used in laboratories to remove odours, local fumes and air streams. An extractor arm fume hood is often 2”, 3”, or 4” in size. These fume hoods can easily be mounted on a bench, ceiling or wall. The various styles of these hoods provide a perfect fit in any kind of laboratory or workspaces.

7. Perchloric Acid Fume Hood: A Perchloric Acid Fume Hood is manufactured especially for use with perchloric acid to avoid the development of perchlorate salts. These steel fume hoods have a bench top and come in a number of widths to accommodate any lab setting. Perchloric Acid Fume Hoods are made of high quality steel that gives the best protection against perchloric acid.


The best fume hood you would require could be determined by a variety of criteria, including the size of your project, the chemicals you want to use, and your budget. If you're not sure what to do next or which fume hood you'll need, contact your nearest fume hoods dealer and let them select the right one for you.

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