Neato XV-21 replacement pet & allergy filter working on xv-11 xv-14 xv-15 xv-12 xv-21, 2 Pack High quality 2 Pack HEPA filters compatible Neato Pet & Allergy XV-21 Filters Guarantee to fit Neato XV-11, XV-12, XV-14, XV-15, XV-21 Robotic Floor Vacuums These special filters will retain more than three times the amount of fine dust particles as standard filters. A great way to reduce allergens in the home. HEPA air filter remove 99.97% of all particles greater than 0.3 micrometre from the air that passes through.