Simplicity Freedom F vacuum bags. Genuine Simplicity HEPA Media Bags for Freedom light weight vacuum models F3700, F3500, F3300 & S10E. Each SFH-6 pack includes 6 individual type F HEPA media bags. These bags are constructed with multiple layers of a high filtration HEPA material. Each disposable Simplicity SFH HEPA bag is designed with a cardboard collar that allows for easy installation and removal. Simply place the bag collar onto the mounting bracket and snap it in place.