2 - Shark NV42 Foam &amp; Felt Vacuum Filter Kit. Designed by FilterBuy to Replace Shark Part # XFF36.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2 Shark NV42 filter kits. Each Kit includes all 3 foam / felt filters used on Shark NV42 Navigator Deluxe Upright Vacuum.</li><li>Designed to replace Shark Part # XFF36.</li><li>Each Kit includes 2 washable pre foam filters and 1 post motor filter.</li><li>Premium Allergen Filter Designed by FilterBuy to fit Shark Navigator Upright models UV402 and NV42.</li><li>FilterBuy: Breathe Better!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41K38rSj6zL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31CZ4EiX-ML.jpg" noproxy>