Slot Machine Parts Store › MEI Cashflow/Advance Bill Validator Housing Frame/Chassis (Set of 3) Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 MEI Cashflow/Advance Bill Validator Housing Frame/Chassis (Set of 3) Sale Price: $159.99 Original Price: $199.99 Works with SC6607 MEI bill validators. Quantity: Purchase Added! Works with SC6607 MEI bill validators.