Kenmore Primary Filter - Crosswave Upright DU3017/DU3018 - 31230 UH75110 That means you can keep

That means you can keep a spare battery topped up in the dock while the vacuum is in use

Benefit: lifts deep dirt and odor without sticky residue

Function: connects the bypass valve to the PCB

and can rattle or whine as it spins

we back this vacuum with the full manufacturer warranty

Kenmore Primary Filter - Crosswave Upright DU3017/DU3018 - 31230 UH75110 That means you can keepThis genuine OEM Kenmore primary filter (Part #KC44KEDCZ000) fits the Kenmore 31230 and DU3017 and the Titan T8000. The 5 inch diameter dirt cup filter catches fine particles ahead of the motor to protect it and hold suction. A discolored or clogged primary filter restricts airflow, lowering suction and forcing the motor to work harder. Replacing it restores efficient operation and helps extend the motor's life. Fits: Kenmore 31230, DU3017; Titan