VISI-THERM SUCTION CUP

Includes: Click Set Temperature Select Dial, Waterproof Double Insulation, Double Suction Mounting Bracket, Temperature Settings Indicator, On-Off Indicatorlight, Double Strength Glass Component Housing, Three Position Viewing Window, Insulated Heat

Includes: Click Set Temperature Select Dial, Waterproof Double Insulation, Double Suction Mounting Bracket, Temperature Settings Indicator, On-Off Indicatorlight, Double Strength Glass Component Housing, Three Position Viewing Window, Insulated Heat Visi therm deluxe heater helps your aquarium maintain a constant ideal water temperature regardless of room temperature. 0 watt -great for 20 gallon tank.