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  2. Central vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Central_vacuum_cleaner

    For central vacuums that operate with two motors, the best practice for representing the vacuum cleaner power is to prefix "2 X" in front of the power for one motor. For instance, if a central vacuum has two motors with a power of 500 airwatts each, the whole central vacuum has 2 X 500 airwatts.

  3. Airwatt - Wikipedia

    en.wikipedia.org/wiki/Airwatt

    Where airflow in Cubic Feet per Minute [CFM] is calculated using airflow = √ 13.35 × D 2 / vacuum. Where D is the diameter of the orifices. [5] [further explanation needed] CFM is always given statistically at its maximum which is at a 2-inch (51 mm) opening. Waterlift, on the other hand, is always given at its maximum: a 0-inch opening.

  4. Vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Vacuum_cleaner

    The power unit of a typical central vacuum cleaner for residential use. Central vacuum cleaners, also known as built-in or ducted, are a type of canister/cylinder model which has the motor and dirt filtration unit located in a central location in a building, and connected by pipes to fixed vacuum inlets installed throughout the building.

  5. ‘Perfect for spiffing up any area’: This Black & Decker ...

    www.aol.com/lifestyle/hurry-super-popular-black...

    To wit: If you're still looking for a high-quality handheld vacuum to help with accidental spills or cleaning up those hard-to-reach places that your regular vac can't get to, this Black & Decker ...

  6. List of vacuum cleaners - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_cleaners

    This is a list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. The dirt is gathered by either a dustbag or a rigid cartridge, which may be emptied and reused.

  7. These are the best Labor Day vacuum deals from Dyson ... - AOL

    www.aol.com/lifestyle/these-are-the-best-labor...

    The best Labor Day robot vacuum deals. Robot vacuums work well for those who want to set-and-forget their vacuum. They can work in the background and only vacuum areas you’ve programmed in the ...