BLifegard Aquatics 12-Inch FPT Bulkhead Fit Kit with Insert ReviewbP PP Lifegard Aquatics 12-Inch FPT Bulkhead Fit Kit with Insert PHeavy wall bulkhead is molded of highest impact resistant PVC eliminating possibility of finding hidden cracks when filling aquariumPStock color is jet black to match acrylic tank backgroundsPVersatile insert already molded in placeP