Package of 2 Micron Filters #60696 that fit on the back of the cyclonic chamber plus 2 thick Micron Filters #39334 that fit below the cyclonic chamber on many earlier WhirlWind uprights. One of each is used at a time. They will not fit the Eureka WhirlWind model 6140. These filters should be changed every three months and brushed off more frequently. Each cyclonic chamber filter measures 5.5" x 4" x 0.25" and the filter below the chamber measures 4.75" x 4.125" x 0.4".
Archived Retired Product - Not Available for Sale