Genuine Dirt Devil 3210395001 Belt (2pk) Dirt Devil 3210395001 Package of (2) Dirt Devil 3210395001 or Style 3 belts. This belt fits a variety of Dirt Devil and Royal canister vacuums, including Power Pak, Can Vac, Vision and Breeze canister power nozzles. It is recommended that you change this belt every 3 to 6 months to ensure optimum preformance.