This filter fits the Eureka LiteSpeed and LiteSpeed Whirlwind 5700 and 5800 upright vacuum series.
Eureka pre-motor filter replacement part 71480.
Examples of Eureka upright vacuum models that use this secondary filter includes: 5740, 5810, 5811A, 5812A, 5813AV, 5815AV, 5840, 5841, 5842, 5843, 5844, 5845A, 5846AH, 5847, 5848, 5850, 5851AN, 5853, 5855, 5856, 5857, 5859, 5860, 5863.