This is a unopened package set of 2 post motor vacuum filters. 
From 2005
UPC 075638410057
Fits: 
Bissell Clean View /Power Trak Revolution 3595/3596/6591 Series
Bissell Clean View II 3574/3576 Series
Bissell Clean View 3575/3590/8975/8990 Series
Bissell Clean View Power Track 3591/3593/3594/6590 Series
Bissell Power Force 3522 Series
Bissell Power Glide/Power Trak 3545/6592 Series