2 REPLACEMENT FANTOM FURY HEPA FILTERS THIS HEPA FILTER FITS FANTOM VACUUMS CALLING FOR #73171 APPROX. DIMENSIONS: Rectangular Shape, Length 13 1/2, Width - 2 3/4, Height 1 3/4 H.E.P.A. FILTERS 100% OF ANIMAL DANDER, DUST MITES, MOST BACTERIA, POLLENS SUCH AS RAG WEED, GRASSES AND PLANT SPORES, AND FILTER 99.97% OF DUST AT .3 MICRONS. MOST OF TODAY'S CURRENT VACUUMS REQUIRE THESE HEPA FILTERS TO WORK EFFICIENTLY. THESE ARE THE HIGHEST QUALITY REPLACEMENT HEPA FILTERS AVAILABLE. THE PRICE WE ARE OFFERING THESE TWO FILTERS FOR, IS COMPARABLE TO THE COST OF ONE FILTER, IN MANY STORES.