2-Pack For use on Eureka models such as 600, 1400, 1900, 2000, 2100, 4000, 5000-5175, 6400 and 7500 series.
Most Sanitaires also use the “round” or “RD” belt. Sanitaire models include SC679, SC684, SC886, SC888, SC899, S661, S634, S670, S677.
For optimum performance, change your belt at least every 12 months.