The original Panasonic belt packaged as the CB-6 is No Longer Available.

This replacement belt is the same as the Kenmore CB2 belt 

 Fits these and other select Panasonic models: MC-CG467, MC-CG973, MCV9644.

This belt also fits many of the Kenmore Progressive Power Nozzles using a grooved belt (id on belt is 20-5201 or 46-3305-01).