Dyson Vacuum Filter Replacement for DC19 DC20 DC21 

This Washable filter,  filters out 99.97% of airborne particles down to 0.3 microns. It is used to filter the exhaust air on the side of the vacuum cleaner and filter dust effectively, keeping the fresh air from being polluted and prevent the secondary pollution. It is recommended that you replace every 6 to 12 months or at your discretion. 

Pre Motor Filter; 1 X Pre-filter for dyson dc19 dc20 dc21 

Designed to fit DYSON MODELS : 

• DC19
  
• DC20
  
• DC21