This article contains the Owner's Guide for the NV41 / NV42 Series Shark Navigator® Deluxe. This supports the following product SKUs NV41 and NV42.
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.