- Healthy home: Our highly efficient filters improve your vacuum’s filtration performance, reduce fine particle residues and allergens, and help create a cleaner, healthier living environment. Especially beneficial for homes with pets, allergy sufferers, or anyone who wants to keep indoor air fresh. - 12 highly efficient filters: This set includes 12 high-performance filters. Note: not suitable for Combo J7+. If your vacuum is a Combo J7+, please do not buy this set. - Compatible with different models of vacuum cleaners: Suitable for iRobot Roomba i1, i3, i3+, i4, i4+, i5, Combo i5, Combo i5, Combo J5+, i6, i6+, i7, i7+, i8, i8+, e5, e6, e7, e5158, i7150, i7558, e6198, i3. 152 and Many other models. - Quality Guarantee & Easy Installation: The filters are made of high quality materials and rigorously tested to meet original standards. Easy installation, no tools required.