Panasonic CB-6 Belt Fits Panasonic Canister models MC-V9600 & MC-V9699. Should be changed every 12 months. AirFilters.com These Panasonic CB-6 Belt fit Panasonic Canister models MC-V9600 & MC-V9699. For optimum performance, it is suggested to change your belt every 12 months! This vacuum belt is designed to keep your vacuum cleaner running up to 12 months before it needs replacing! Purchase a pack for your vacuum cleaner today!