Duogreen Neato XV-11 XV 11 Robotic Vacumm Cleaner Filter 945-0004 Replacement, 4-Pack Duogreen replacement filter for neato xv-11 robotic floor vacuum cleaner filter Replacement for neato #945-0004 4 filters in a bag = 1 year supply Limited 60 Days Warranty Dimension: 2.3 x 4.5 x .25 inches. weight: 1.1oz.