NaceCare 604015 HEPA-rated disposable filter bags fit the SSS 1500B and 1500C HEPA Backpack vacuums as well as the PVR200 and NBV220 models. Additional compatible models include HVR200A, HET200A, HVX200-22, HVR200M-22, HVR200T-2, HHR200-2, NRV200-22, JVH180-1, NVH/NVP180-1/200-2, RSV130/200-1, NQS250/NVQ200-22, HZQ200-2, and MFQ300. Each case contains 8 packs of 10 bags for a total of 80 bags, suited to commercial and institutional supply needs.