Designed to fit Upright vacuum cleaner Vision with Sensor and All-Surface Swivel Glide that use the Style 9 belt.
2 replacement vac belts in a package.
. Royal Dirt Devil Style 9 belt # 3990220-044 / 3990220044.
Style 9 belt fits the following upright vacs :
Royal Procision RY7000 and RY8000.
Swivel Glide Bagged Upright - MRY7000 MRY8000 M086540
Vision Wideglide All Surface with Swift Stick - M089900 M089800SV
Vision Bagless Upright - M089890