Set of 2 Replacement premium aftermarket Shark Navigator FreeStyle Cordless upright vacuum cleaners. Designed to fit Shark OEM part number XF1100T, designed to fit Shark Navigator Freestyle Upright Models; SV1100, SV1106, and SV1107. These filters, located underneath of the dust bin, are recommended to be washed every 30 days, and replaced every 6 months by Shark to maintain peak performance of your Shark Freestyle. OEM Grade quality replacement filters, full money back guarantee on size, ,fit, and quality of the filters.