Zoo Med ReptiTherm Under Tank Heater (U.T.H) 16W, 8 in x 12 in, Medium

When your reptile's home falls somewhere between cozy and spacious, the Zoo Med ReptiTherm Under Tank Heater in the 16-watt Medium size is a balanced choice. Measuring 8 inches by 12 inches, this heater covers a healthy stretch of terrarium floor without going to the full Large size. Zoo Med designed it as an ideal 24-hour heat source for tropical or temperate reptiles, so your pet stays warm and content through the whole day.

What the 16-watt Medium ReptiTherm U.T.H. brings to your habitat:

• An 8-inch by 12-inch surface offers solid coverage for mid-size terrariums.
• The 16-watt rating sits in the middle of the U.T.H. range, matched to its footprint.
• Works as a primary or secondary heat source, depending on your setup.
• Built for tropical or temperate reptilian species, fitting many popular pets.
• Contains a solid state nichrome heating element for steady, even warmth.
• Permanently adheres to your terrarium, forming a solid bond that Zoo Med says supports optimum heat transfer.
• Delivers heat from below, the placement many ground-dwelling reptiles favor.
• UL and cUL approved, with GS, TuV, and CE approval noted for Europe.
• Zoo Med highlights it as an excellent secondary heat source for layered setups.
• Runs as a 24-hour heat source, keeping warmth consistent around the clock.

Since the ReptiTherm U.T.H. bonds permanently to the glass, decide on placement before you press this Medium pad into position, because once it sets the solid bond is built to stay and there is no easy repositioning later on. It helps to clean and dry the spot first so the bond can form the way it is meant to. Once it is in place, you have a quiet, mid-range warmer working steadily under your reptile's favorite resting spot, holding gentle belly heat there from morning through night. Many keepers pair an under tank heater like this Medium with a dedicated thermostat so temperatures stay tuned exactly to what their pet prefers and the surface never creeps warmer than intended. For a mid-size enclosure that sits comfortably between the small and large pads, it is a practical, dependable way to keep the habitat warm for your scaly companion every hour of the day.