Blue-White Industries 72000-633 30 gal Tank Kit Star-3 is compatible with A1, A1A, CD1, M1, MD1 models. This kit includes a 3/8″ suction tube, 3/8″ discharge tube, 3-way position lid for open, closed, and vented, foot valve and strainer/Bulkhead fitting, and mounting screws and pump mounting bracket. This 30-gallon tank is the biggest tank for these models that is offered.