Review on Fette Filter - High-Efficiency Pre-Motor and Post-Motor HEPA Vacuum Filters Compatible with Dyson DC14. Compare to Part # 901420-01, 905401-01, 923480-01. (Combo Pack) by Maria Hill
The background noise stopped immediately!
My vacuum immediately stopped making a very loud high frequency whistling noise. I'm pretty sure it was the HEPA filter gasket as I've cleaned the washable filter multiple times and the noise never stopped. My 14 year old DC14 is still holding up.
Pros
- An absolute legend
Cons
- Some problems
