16H137 O-Ring

Fits The Following:

490 Ultra XT - Stand, Lo Boy, Hi Boy

495 Ultra XT - Stand, Lo boy, Hi Boy

650 Ultra XT - Lo Boy, Hi Boy

390 PC - Stand, Hi Boy

395 Ultra PC - Stand, Lo Boy, Hi Boy

490 Ultra Max II - Stand, Lo Boy, Hi Boy

495 Ultra Max II - Stand, Lo Boy, Hi Boy

595 Ultra Max II - Lo Boy, Hi Boy

650 Ultra Max II - Lo Boy, Hi Boy