<p><span style="display: inline !important; float: none; background-color: transparent; color: #2f2f2f; font-family: Arial,Helvetica,sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">The Finnex HMA 50W Titanium heater has a virtually unbreakable titanium tube as well as an external temperature control unit. You can safely burry it under your false bottom and control easily from outside the tank. This compact unit is only 14.3 cm long to fit easily into small water features. Set to 78F to maintain air temperatures in the mid 70s during the winter months. • Precise electronic control • Control Range: 68ºF-92ºF • Tube Length 14.3 cm </span></p>