We offer discount for large quantity. Welcome to contact with us! [Wide Compatibility] - Vacuum filters replacement perfectly compatible with Shark Navigator Deluxe Vacuum NV42, NV44, NV46, UV402,UV410 Filter Replacements, Replaces part # part XFF36.[Washable Reusable] - The nv42 filters is easy to install, washable and reusable, long-lasting and easy-replaced, helping refresh the air you breathe. It is recommended that the filter be cleaned every 1-2 months for best performance.[Premium Quality] - The navigator lift away filter replacement is made of high-strength and environmentally friendly materials, effectively improves the cleaning performance and the powerful suction of your vacuum.[Package Includes] - The filter replacement set contains 4x foam felt filters, you can replace your vacuum at once when your old filter get dirty. Easy to replace and durable.color:WhiteMaterial:composite materialPackage Contents:4 x Filter cotton4 x Filter4 x Static cottonOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.