Agitator Unit Castex and the three-layer construction holds

and the three-layer construction holds fine dust and allergens instead of recirculating them

Function: Captures dust

Verify your Royal model before ordering so the fasteners match your machine

and a worn strip loses floor contact so the tool stops sweeping cleanly across hard surfaces

leaving the shell marred and the nozzle without a secure catch

Agitator Unit Castex and the three-layer construction holdsThis replacement agitator unit, also listed for Kenmore model 1921, is the brush roll that spins inside the floor nozzle to agitate carpet fibers and loosen embedded dirt, hair, and grit that suction alone leaves behind. Over time the bristles wear down, flatten, or shed, and the roll picks up wrapped hair and thread that slow its rotation. A worn agitator drags across the carpet without digging in, so rooms look dull even after a full pass. A fresh