Bissell CrossWave HydroSteam Dirty Water Tank Lid for 3515, 3518 Plastiflex It caps the filter compartment

It caps the filter compartment and presses the filter media against its seat to keep the air path sealed

The fan channels airflow between motor stages to build suction

Fitting a fresh bag restores strong suction and cleaner air in the room

It mounts directly onto a 1-1/4" hose end for handheld detailing

Bissell CrossWave HydroSteam Dirty Water Tank Lid for 3515, 3518 Plastiflex It caps the filter compartmentReplace a cracked or warped recovery tank lid with this genuine Bissell CrossWave dirty water tank lid (Part #163 4580), made for HydroSteam wet dry vacuum models in the 3515 series and model 3518. The lid seals the top of the dirty water tank so collected debris and soiled water stay contained while the machine maintains suction. A damaged or ill fitting lid lets air leak in, which weakens pickup and can allow spills when emptying. This factory