Filter Assembly 5147239-00

This is a genuine Black and Decker replacement part, it is sold individually. The 5147239-00 works in conjunction with the 5147238-00 Prefiter. It will collect the dust and debris that the Prefilter was not able to gather. It will catch the dust and small debris from entering the motor and damaging it. Once this filter becomes dirty and clogged it should be discarded, and replaced with a new one.