Carbon Brush Seater Sticks - 1/4 x 1/2 Inch, Soft, 4-Pack Upright Vacuums the belt and gears are

the belt and gears are left open to grit and the head no longer seats securely

rattle-free brush-roll housing

Tip: Check the hose ends for cracks while the adaptor is off

Tip: replace promptly if the grill is cracked or broken

The brush roll is your vacuum's primary tool for loosening embedded dirt and debris from carpet fibers

Carbon Brush Seater Sticks - 1/4 x 1/2 Inch, Soft, 4-Pack Upright Vacuums the belt and gears areThese carbon brush seater sticks come four to a pack and measure 1 4 x 1 2 x 4 3 4 inches in a soft white grade. They seat new carbon brushes in vacuum motors and clean carbon buildup from the armature commutator. A freshly installed carbon brush rarely matches the curve of the commutator, so it makes partial contact and sparks. Running a seater stick against the spinning commutator shapes the brush face and clears deposits, which reduces arcing and