"Penn Plax Reptology Life Science Habitat Heat Mat for Reptiles, Large (11"" L X 17"" W; 25 Watts)"
"Penn Plax Reptology Life Science Habitat Heat Mat for ReptilesOur Penn Plax Reptology Life Science Habitat Heat Mat simulates your herp's natural source of heat by heating the substrate in their habitat. This Habitat Heat Mat provides even, safe heat distribution. Constructed of quality materials, this heat mat is designed and recommended for installation on glass habitats only (with the exception of model #REPHM1 - 4"" X 5""). Use externally on either the bottom or side walls of the habitat. Rubber spacers included to elevate the habitat to allow excess heat to escape."