Pre Motor Foam Filter for Powerlifter Upright Vacuums - Models 1307 & 1309.
Filter is washable. Wash with warm water and a mild detergent and be sure to completely air dry prior to next use
It is recommended filters be changed with new filters every 6 to 8 months depending on use and how often the filter is cleaned.
Clean filters keep the suction power of your vacuum at optimal levels.