Eureka Boss & Ultra Smart Upright Vacuum Type R Flat (Fit similar to 20-3110-07, 61110C) Vacuum Belts by ZVac (Pack of 4) Generic Belt for Eureka upright vacuum cleaners series 4803 Similar to OEM 20-3110-07, 61110C Contains: 4 Belt These belts are great, won't tear or break Great Value only by Zvac