Fits Husqvarna/Ermator and other Vacs. Longopac, 4-pack - Longopac is a flexible and endless bagging system. The Longopac bag system is for direct disposal into a single 3.5 gallon plastic recovery/disposal bag, or 70-foot Longopac®. The unique Longopac® allows disposal into approximately 25 individually sealed bags, depending on a comfortable weight for transfer and handling.