BEP Contour Connect Single Circular Module Blank [CC-BLANK]Contour Connect Circular Module Blank The CC BLANK will cover an unused hole in CC 1 and CC 2. Attached from the rear of the panel, it allows for expanding with other options at a later date. WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.