Fits original manufacture part numbers below: #RSLH-6, SF-6 Designed to fit the vacuum models listed below and more: Simplicity and Riccar Style Model Numbers Supralite RSL1, RSL1A, RSL1AC, RSL3C, RSL2, RSL3, RSL4, RSL5, RSL5C, SLPLUS, RFH-6 Simplicity 3300, 3400, 3500, 3600 Freedom F3500 Dimensions: 22 3/4" X 8" with a 2 1/8"diameter rubber lined opening These HEPA bags capture 99.97 percent of airborne allergens for high efficiency filtration and provide maximum airflow for deep cleaning.