BN400 Series Ninja® Nutri-Blender Pro with Auto-iQ® - FAQs – Ninja Customer Service | Official Support & Help Center

On the bottom of your box, you should see the model number near the bar code.

The base of the blender (where the motor is) 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.

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