image from manufacturer
The Shark Rotator Powered Lift-Away Speed NV680 series are versatile vacuum cleaners. The two notable differences between NV680, NV681, NV682 and NV683 are the color and the tools they come with. Except for that, they are the same.
The Shark NV680 is green, comes with Dust-Away Pro cleaner head, Duster Crevice and Pet Multi-Tool.
The Shark NV681 is green, comes with Dust-Away Pro cleaner head, Pet Power Brush, Duster Crevice and Pet Multi-Tool.
The Shark NV682 is blue, comes with Dust-Away Pro cleaner head, TruePet Mini Motorized Brush, Duster Crevice, Pet Multi-Tool and Canister Caddy.
The Shark NV683 is blue, comes with Dust-Away Pro cleaner head, Home and Car Detail Tool, Canister Caddy, Duster Crevice and Pet Multi-Tool.
Dust-Away Pro cleaner head is designed for hard-floor cleaning.
Duster Crevice is a 2 in 1 tool for cleaning crevice and dusting.
Pet Power Brush is for removing pet hair and dirt from carpeted stairs and upholstery.
TruePet Mini Motorized Brush is for picking up pet hair, debris, and dander out of upholstery and surfaces.
With the Canister Caddy, the NV682 and NV683 vacuum cleaners can transform from an upright or powered lift away into a canister vacuum.
Home and Car Detail Tool for tiny cleaning jobs in tight area.
Same things they have – LED headlights to illuminate dark spots, fingertip floor controls on the handle, swivel steering, Anti-Allergen Complete Seal Technology + HEPA filter, motorized brush, 30 feet power cord, full vacuum weighs 13.3 lbs, 12 inches cleaning width, 6.7 amps.
Due to the different accessories they include, there is also price difference between these Rotator Powered Lift-Away Speed models.
If you know more differences between them, please share below.
You can also read more by downloading manuals from Shark official site:
NV680 manual – http://www.sharkclean.com/include/pdf/manual-NV680.pdf
NV681 manual – http://www.sharkclean.com/include/pdf/manual-NV681.pdf
NV682 manual – http://www.sharkclean.com/include/pdf/manual-NV682.pdf
NV683 manual – http://www.sharkclean.com/include/pdf/manual-NV683.pdf