New World Habitat ThermaLight

Specifically designed for use with the Penn Plax New World Habitat (Bow-front) plastic tanks. Provides the necessary warmth and light for your fish, hamster, gerbil, reptile, or other pet.

Comes complete with an on/off switch and light bulb. Uses a small threaded base bulb similar in size to those used in home night lights. Will only fit an opening of 4-1/4" x 2-1/4", which is standard on these tanks.