This article contains the Owner's Manual for the ZU880 Series Shark® Powered Lift-Away® DuoClean®. This supports the following product SKUs ZU881 and ZU881BRN.
On the bottom of your box, you should see the model number near the bar code.
The main body of the vacuum (back of the unit) should have a rating label that features your model number.
Your product's model number is listed on the front cover of your instruction booklet.