Bissell Upper Tank foam filter. Bissell part 2031085 (203-1085).
This filter is also referred to as a Bissell separation flange filter.
Bissell Cleanview, PowerTrak, Lift-Off Bagless upright vacuum cleaners all use the Bissell vacuum filter part 2031085.
This replacement foam filter fits the upper tank on the following Bissell upright bagless vacuum series models:
CleanView Revolution Deluxe 35961
CleanView Bagless 3590 series, 8990 series
Lift-Off Revolution Pet 37604, 37606, 3760 Series, 42209, 4220 Series, 6860 Series, 3750 Series, 6595 Series, 6801 Series, 6860H
PowerTrak Revolution 6591
And Bissell upright vacuum models:
3575 3591 3593 3594 3595 3596 3760
6590 6591 6850 6860
8975
3593-P and 53F8