Ultraviolet Lamp, Watts 55 W, Compatible Mfr. Model Number MP49B, MP49C, S50, For Use With Atlantic Ultraviolet UV Units, MP49, B, C, S50, Accessory Type Ultraviolet Lamp, Base Type 1 Pin Double Ended (B1), Length 45 in, Material Glass. This item has been restricted from sale in the following state (s): []