Riccar Radiance / Fuller Brush 11" Replacement Brush Insert 1623 and can push the motor

and can push the motor to overheat

and reduces how effectively the DISCO performs its work

When it wears or breaks

The ProTeam Acoustic Insulator in the large size is a genuine OEM replacement insulator for the Sierra backpack vacuum

and throws off the height that controls how the brush meets the carpet

Riccar Radiance / Fuller Brush 11" Replacement Brush Insert 1623 and can push the motorThis replacement brush insert (Part #B375 4000) is an 11 inch agitator strip for the Riccar Radiance and Fuller Brush uprights, including the Riccar 3606. The insert holds the bristle rows that agitate carpet fibers to lift embedded dirt. As bristles flatten, break off, or fill with wound hair and thread, the brush stops making firm contact with the carpet and pickup drops noticeably. A fresh insert restores the aggressive agitation that loosens