It is highly recommended that you change your filters every 3 to 6
months for optimal performance of your Shark vacuum.

Compatible with Shark Navigator Lift-Away Models: NV350, NV351,
NV352, NV355, NV356E, NV370, NV391, UV440, UV490CCO,
UV540.

Find My Model Number
1. Check your box
On the bottom of your box, you should see the model number near the
bar code.
2. Check your unit
The main body of the vacuum (back of the unit) should have a rating
label that features your model number.
3. Check your manual
Your product's model number is listed on the front cover of your
instruction booklet.

Package Includes:
HEPA Filter x1
Foam Filters x3
Felt Filters x3