Buti-Life Vacuum Cleaner Filter for Neato Robotic Pet and Allergy Filter Pack XV-21 (945-0048) Filter (12pcs)&Free fliter cleaning brush tool Compatible with:Neato XV-11, XV-12, XV-14, XV-15, XV-21 Robotic Floor Vacuums Replacement for neato 945-0048 filter - 12 pack Keep your home clean by changing the filters frequently - once every month or two, depending your usage. Warranty - This product is covered by a 30 day warranty, from date of purchase. There is a 15% restocking fee for unwanted product returns and must be in new, unused, uninstalled condition. Bonus:One free fliter cleaning brush,a tool to clean the fliter easily.