Exhaust Filter Cover, for K2 (dark blue/silver print) RX3 It is the bumper base

It is the bumper base that protects the lower edge of the dust bag housing during use

It is the knob you turn to power the machine on and off

4-volt battery

Constant contact eventually causes the bumper to crack

Benefit: restores correct alignment for the brush roll and motor

Exhaust Filter Cover, for K2 (dark blue/silver print) RX3 It is the bumper baseThis genuine SEBO Exhaust Filter Cover in dark blue with silver print fits the K2 canister in the SEBO K Series. It is the panel that secures the exhaust filter, holding the media seated so the vacuum's outgoing air passes fully through it before it exhausts. A cracked cover or a broken clip lets the filter sit loose, and unfiltered air then bypasses the media and carries fine dust back into the room. Aged plastic and repeated filter changes are the