Simplicity type Z vacuum bags. Genuine certified HEPA media bags for Simplicity compact canister models Jill, Jack & Snap vacuums. SZH-6 Jill, Jack and Snap HEPA media bags fit all early and current models. Each 6 pack of SZH-6 Simplicity type Z compact canister bags has 6 individual bags. These bags are constructed with multiple layers of a high filtration HEPA media material. Each Simplicity SZH 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 on.