These were $3 a pop on the reef websites, I found them on the site below for $1.33.
http://semperlite.com/products/lamp...WK2bL-60g9yw9El1tP0l3aWGHEKIJdZe5oaAqXH8P8HAQ
http://semperlite.com/products/lamp...WK2bL-60g9yw9El1tP0l3aWGHEKIJdZe5oaAqXH8P8HAQ