Eureka Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Genuine Eureka CMF-1 Filter Set Manufacturer Part No.: 61940B-4 - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. For Eureka 4300 / 4400 / 5190 SeriesWill also fit Sanitaire S4180 & SC4580 models*contains 2 motor filters and 2 dust cup filters