images from Shark official site

The Shark Rotator Pro Upright Vacuum Cleaner ZU780, ZU782 and ZU785 are from the same series, they feature Lift-Away pod, DuoClean nozzle and Self-Cleaning Brushroll. They are almost the same except for the color and included accessories.
Below we will list these difference between them:

The ZU780 is Burgundy in color, comes with a 12″ Crevice Tool, and an Upholstery Tool.

The ZU782 is Sage Green, comes with a 12″ Crevice Tool, an Upholstery Tool and a Pet Power Brush.

The ZU785 is Purple, comes with a 12″ Crevice Tool, an Upholstery Tool, a Pet Power Brush and an Under-Appliance Wand.

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The 12-inch Crevice Tool can be used to clean tight corners, baseboards,ceiling,etc.

The Upholstery Tool can be used to pick up pet hair and debris from delicate fabrics like curtains and lampshades.

images from Shark official site

The Pet Power Brush is an air driven brush tool for picking up pet hair, dander, and loose debris from upholstery and other surfaces.

The Under-Appliance Wand is an adjustable tool that can be extended to 36-inch, it is good for getting under and behind appliances and furniture.

Main Features:
The Lift-Away feature allows you to detach the pod from the vacuum, and lift the pod to clean around using the wand or other tools.

The DuoClean means there are two brushrollers inside the nozzle: one bristle brush and one soft brush to handle both carpets and hard floors.

The Self-Cleaning Brushroll reduces brushroller hair wrapping problem.

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Some Questions and Answers:

• Does it have headlight?
  Yes. There is led headlight on the floor nozzle, but no lights on the handle.
• Does it have HEPA filter?
  Yes.
  It features a HEPA filter and Anti-Allergen Complete Seal Technology to Trap Dust and Debris inside the vacuum and expels clean air.
• Can you lift away the pod and use the nozzle with the wand to get under bed and other furniture?
  No. It’s NOT Powered Lift-Away, so it does not allow you to use the wand with the powered nozzle.
• Does it have auto cord retraction?
  No.
• How much does it weigh?
  The vacuum weighs about 17.7 lbs, the Lift-Away pod weighs about 9.8 pounds.
• What are the dimensions?
  12.10 x 12.20 x 45.70 inches(L x W x H)
• What’s the cleaning path width?
  12-inch.
• Does it have a brushroller On/Off control?
  No. You cannot turn off the brushrollers.
• Does it have a height adjustment for different carpet thickness?
  No height adjustment.
  There is one setting for cleaning bare floors, the brushrollers spin slowly in this mode; and one setting for cleaning carpets, the brushrollers spin fast in this mode.
• What is the bin size?
  It holds up to 1.3 dry quarts(to the Max fill line).
• How long is the cable?
  The vacuum has a 30-foot cord.
• Can you adjust the suction?
  There is a suction control collar that allows you to release suction.
• What’s the warranty?
  It carries 5 year limited warranty.
• Does the nozzle swivel?
  Yes. It features Swivel Steering.

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Download Shark Rotator Pro manual to learn more:
https://m.sharkclean.com/include/pdf/manual-zu780.pdf