Bissell replacement post motor filter grill, part # 2031088 (203-1088).
This plastic filter grill fits the following Bissell upright vacs:
CleanView Revolution Deluxe 35961
CleanView II 20Q9 series, 3574 series, 3575 series, 3576 series, 73G8 series, 8975
CleanView II Plus 35766
CleanView II Special Edition 35762
CleanView II 35741
PowerForce 3537 series, 3525 series, 3530 series
PowerGlide Platinum 3545 series, 6592 series, 35452
PowerTrak models 3593-1, 6590
Genuine Bissell vacuum part.