Kenmore EF-2 exhaust HEPA vacuum filter made by EnviroCare. 

This filter is made to fit any Kenmore vacuum cleaner that uses EF-2 exhaust filter. Filter dimensions are as follows :  4.5" X 3". 

This filter fits Kenmore Whispertone, Progressive and many other upright / canister model vacuum cleaners. 

For best results change this filter regularly to ensure quality air control and to help maintain maximum suction levels.