Review on Hoover 40110004 WindTunnel Final Filter by Nathan Unruh

buyer beware! This filter is NOT SUITABLE FOR ALL wind tunnel vacuums. If you have a Hoover self-propelled wind tunnel vacuum, the correct part number for the final filter is 4011006. The seller's description should read: This filter pack is Hoover filter 40110004. Also known as filter 38766009. Hoover Final Filter 2-Pack for Hoover WindTunnel non-propelled vacuums. Filters fit into the filter door on the side of non-self-propelled WindTunnel racks as well as standard (non-WindTunnel) bagless racks, including the newer Fold Away models. These models include but are not limited to: C1701900, U5014900, U5016900, U5018900, U5140900, U5144900, U5145900, U5146900, U5148900, U5150900, U52719RM, U52729RM, U53019RM, U53029RM, U5348911, U5402900, U5409955, U5416900, U54219RM, U5436950, U5438960 . The filter measures 6 5/8"" x 3 5/16"" x 1/2" and has a white layer. Earlier versions had a green layer, yellow layer and white layer layer.It is not suitable for self-propelled wind tunnels.This seller needs to revise their description.