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Took a bit of fiddling to align the screw holes, but once seated it fits flush against the unit and looks exactly like the original. Solid replacement that saved me from buying a whole new fan.

The clip on the back snapped back on in about ten seconds and it lines up flush with the DXPU04 body, no gaps. Genuinely relieved I didn't have to replace the whole unit over a cracked panel.

After two winters of hauling my humidifier around, the original back piece finally cracked, and this replacement snapped on without any wobble. The panel lines up flush with the DXPU03 body and the screw holes match exactly. Feels sturdier than the part that came in the box.