Dirt Devil Canister Vac Belt. Style 3 Package of (1) Dirt Devil Style 3 Canister Vacuum Belt. Replace this belt every 6 months to ensure optimum performance. Buy a quantity of 3 or more from seller Vac Belts and receive FREE EXPEDITED SHIPPING! This promotion is only offered by merchant Vac Belts. You MUST purchase from Vac Belts to qualify for the promotion With a quantity of 3 or more in your cart you MUST select Expedited Shipping at checkout to receive the free shipping upgrade. You get your belts FAST with the free expedited shipping and you will need the spares in the future anyway!