Roomba 700 Series Dual HEPA Replacement Filter 3 Pack,By AI-Vacuum 3 Sets of Dual HEPA Filters (Total 6 pcs) Replacement filters for 700 series, 760, 770 and 780 Compatible with all roomba 700 series robots 100% Compatibility Guarantee. Designed & Engineered By AI-Vacuum. The Seller Value Sourcing is the AI-Vacuum brand owner. We offer the best quality after market parts for your money. Other sellers are not authorized to list under AI-Vacuum brand.