Genuine Eureka 61120F Belts. Package of (2) Belts. Eureka Style EXT-U. Fits: AS2000A Air Speed Upright; AS2000AA Air Speed Upright; AS2000AE Air Speed Upright; AS2000AEA Air Speed Upright; AS2001FUF Air Speed Upright; AS2001FUFA Air Speed Upright; AS2002PMA Air Speed Upright; AS2002PMAA Air Speed Upright; AS2002TLU Air Speed Upright; AS2002TLUA Air Speed Upright; AS2011A Air Speed Upright; AS2011AA Air Speed Upright; AS2013A Air Speed Upright; AS2013AA Air Speed Upright; AS2020A Air Speed Upright; AS2020AA Air Speed Upright; AS4008A Air Speed Ultra; AS4013A Air Speed Ultra; AS4030A Air Speed; and others. Replace every 3 to 6 months for optimum performance.