Genuine Eureka Vacuum Cleaner washable dust cup filter. You can replace the 39345 foam filter with 61805 you will need to discard the foam filter frame before installing the new pleated filter. The new pleated filter has better filter life and maintains vacuum performance longer. Fits Eureka Victory Bagless Models 4680, 4681, 4682, 4683, 4684, 4685, 4686, 4687, 4688 & 4689 and models 4654AT & 4654BT. For best performance, change your filter every 6 months.