The PU8 replacement bulb is the only available kit for the Certikin 300W 12V sealed beam underwater light. Direct replacement for the Certikin 300w bulbs (now obsolete) as used in the PU9 and PU6 Certikin lights.
Comes supplied with all the essential accessories required to change the bulb such as the o ring, terminal screws and emery paper for cleaning the cable terminals.