HQRP Foam Felt Filter Kit Donut Shape; | | 2 Washable Pre-Motor Foam Filters, 1 Post-Motor Felt Exhaust Filter; | | Replacement for Shark XFF36; Compatible with Shark Navigator NV36 NV41 NV42 UV410 NV44 NV46 Swivel Deluxe Upright Vacuums; | | Before making a purchase please make sure your filter looks exactly like the one on the photo. If your original filters has NO hole inside, our filter will not work with your vacuum cleaner. | | 2 weeks DOA replacement ! | |