HQRP Foam Air Cleaner Element for Honda EM3000, EM3500, EM3800, EM4000, EM5000, EM6000, EM6500, EMS4000, EMS4500 Series Generators Coaster HQRP&reg; Sponge Air Filter Element plus HQRP&reg; Coaster; Replaces Honda 17211-899-000 Air Filter; Width: 4-1/4", Length: 6", Height: 1"; Compatible with Original filter; 2 weeks DOA replacement warranty!