24 Riccar Simplicity Type H Vacuum Bags, Canister Vacuum Cleaners, S13L, S14CL, S18, S24, S30, S36, S38, 1500 EnviroCare Part #811 OEM numbers: C18, C-18, C18-6, C19, C-19, C19-6, C17, C-17, C17-6, RF-15, S5-6, S8-6, RHH-6, RHH6.