Replacement DCF-21 Dust Cup Filter for Eureka - Compatible with Eureka AirSpeed AS1000A, Eureka DCF-21, Eureka AS1051A, Sanitaire SC5845B, Sanitaire SC5745A, Eureka DCF21, Eureka AS1050, Eureka AS1053AX, Eureka AirSpeed AS1051A, Eureka AS1055AX, Eureka AS1052AX Replacement DCF-21 Dust Cup Filter for Eureka - Compatible with Eureka AirSpeed AS1000A, Eureka DCF-21, Eureka AS1051A, Sanitaire SC5845B, Sanitaire SC5745A, Eureka DCF21, Eureka AS1050, Eureka AS1053AX, Eureka AirSpeed AS1051A, Eureka AS1055AX, Eureka AS1052AX, Eureka AirSpeed AS1053AX, Eureka AirSpeed AS1052AX, Eureka AirSpeed AS1050, Eureka 3279AZ, Eureka 3277AVZ, Eureka 3276AZ, Eureka 3276AVZ, Eureka 460AZ, Eureka 4235AZ, Eureka 4236AZ, Eureka 4230 Series, Eureka 3270 Series Replaces DCF-21 Dust Cup Filter 68931A Vacuuming with a high-efficiency filter cleans the air inside your house. Ideal for those who suffer from dust-related or allergic discomforts. Removes dirt, dust and allergens while you vacuum to improve the air quality of your home. Don't let dust and dirt accumulate inside the vacuum then spreading it around your house. Lengthen the life of your vacuum cleaner plus improve the effectiveness and suction of your vacuum by installing a new filter with the same great quality as the name brand but at an affordable price. Overtime filters get clogged up with dirt impeding the airflow of the vacuum thus losing suction and performance. We recommend replacing your vacuum filters every 3 to 6 months for best performance . Made to neutralize odors at the source, releases clean, odor-free air into your home as you vacuum. Breathe easier and feel refreshed by filtering the air inside your household leading to overall better health. Note: Please check your vacuum to make sure you are purchasing the correct parts. On Sale for a Limited Time!