Bissell Pre-Motor Filter for Cordless Stick Vac Model 1189 4220 so the bag lid closes

so the bag lid closes properly and no dust bypasses the bag

dust-tight bag seal

change at about two-thirds full

Fit: pigtail-cord central vacuum systems

Its activated-charcoal layer absorbs the smells that ordinary filters let through

Bissell Pre-Motor Filter for Cordless Stick Vac Model 1189 4220 so the bag lid closesThis Bissell pre motor filter (Part #160 1822) is the protective filtration element installed ahead of the motor on the Bissell 1189 cordless stick vacuum. It captures the fine dust that escapes the dust cup before that air reaches the motor, shielding the motor and keeping suction consistent so the vacuum delivers full pickup on a single battery charge. Stage: pre motor protective filtration Build: washable filtration media for repeated cleaning