• 10.25" Tall
• For aquariums up to 29 gallons
• Gives precise control to accurately set temp to + or - 1F with every "click"
• Advanced mounting bracket securely attaches to glass and provides 3 window positions to view temp display from multiple angles
• LED lights when heater is operating
• Easy-to-view sliding scale tells the exact temperature setting
• Double strength glass casing for extra durability

• 12" Tall
• For aquariums up to 40 gallons
• Gives precise control to accurately set temp to + or - 1F with every "click"
• Advanced mounting bracket securely attaches to glass and provides 3 window positions to view temp display from multiple angles
• LED lights when heater is operating
• Easy-to-view sliding scale tells the exact temperature setting
• Double strength glass casing for extra durability

• Maximum security: THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube
• Free positioning in aquarium with supplied suction cups
• Self-limiting: the patented PTC heating system guarantees operation in complete safety because in case of dry running there is no danger for damage
  
• Temperature range: 70-94 degrees Fahrenheit

• Perfect for freshwater or saltwater use
• For tanks from 20-30 gallons
• 12.5" Tall
  
• Fully submersible
  
• 6 foot double insulated power cord
• Temperature is adjustable from 64°F and 93°F with an easy to adjust thermostat
• TrueTemp dial with readjustment ring allows the user to calibrate the heater for a precise temperature reading
• Thermo safety control in case the tank runs dry. The heater will shut off when out of the water.
• On/off indicator light
• Includes clamp with 2 suction cups
• Made of shatter-proof glass
  

• Perfect for freshwater or saltwater use
  
• For tanks from 53-79 gallons


• Fully submersible
  
• 13.75" X 1.5"
  
• 6 foot double insulated power cord
  
• Temperature is adjustable from 65°F and 93°F with an easy to adjust thermostat
  
• TrueTemp dial with readjustment ring allows the user to calibrate the heater for a precise temperature reading
  
• Thermo safety control in case the tank runs dry. The heater will shut off when out of the water.
  
• On/off indicator light
  
• Includes clamp with 2 suction cups
  
• Made of shatter-proof glass

• NOTE: The yellow label in the picture will be removed prior to use.
• For aquariums up to 30 gallons
• Shatterproof and nearly indestructible. Durable aluminum core. No glass components.
• Electronic thermostat for accurate temperature settings and safety. Accurate temperature settings within +/- 1 degree F.
• Automatically turns off if the heater is left out of the water. Resets and works normally when placed back in the water.
• Fully submersible. Can be placed vertically or horizontally in an aquarium.
• Suction cups and 6 ft cord included
• For freshwater and marine aquariums

• NOTE: The yellow label in the picture will be removed prior to use.
• For aquariums up to 55 gallons
• Shatterproof and nearly indestructible. Durable aluminum core. No glass components.
• Electronic thermostat for accurate temperature settings and safety. Accurate temperature settings within +/- 1 degree F.
• Automatically turns off if the heater is left out of the water. Resets and works normally when placed back in the water.
• Fully submersible. Can be placed vertically or horizontally in an aquarium.
• Suction cups and 6 ft cord included
• For freshwater and marine aquariums

• Recommended for tanks up to 30 gallons
  
• LCD displays actual water temperature. This display provides peace of mind as the actual water temperature is continuously displayed in either Celsius or Fahrenheit.
  
• High/low temperature alert. During normal operation the temperature readout will change color if the aquarium water varies +/-1C (+/-2 F) or more from the pre-set temperature. If the temperature is too high the LCD will become red and if too low the LCD will become blue.
  
• Precise and easy temperature adjustments. With the easy to use adjustment lever the temperature can be precisely set in 0.5 degree increments.
  
• Advanced fish protection. the integrated fish guard keeps fish and invertebrates from coming into direct contact with the heater core. the heater is protected against shocks from large fish species.
• Mounting Bracket. The heater bracket easily clips on or off the slim line mounting bracket or can be vertically adjusted for precise placement. The included adapter provides the option of side glass mounting when traditional rear glass mounting is not possible.
  

Features:

• Wattage: 150 Watts
• Tank Size: 30 - 50 gallons
• Dimensions: 9.5" X 1.5"
• Accuracy: +/- 0.5F
• 100% Digital Operation: The advanced microprocessor constantly reads and displays the correct temperature to a tenth of a degree with a large LED display. Easy push buttons make setting your desired temperature simple and easy.
• Titanium Heating Element
• Remote Temperature Probe
• Safety Guard
• Magnetic Heater Holders
• Smart Memory Chip: An integrateted smart memory chip will restore the previous temperature set point and calibration to the last stored setting once the power returns after a failure.

Features:

• Wattage: 300 Watts
• Tank Size: 60 - 100 gallons
• Dimensions: 13.1" X 1.5"
• Accuracy: +/- 0.5F
• 100% Digital Operation: The advanced microprocessor constantly reads and displays the correct temperature to a tenth of a degree with a large LED display. Easy push buttons make setting your desired temperature simple and easy.
• Titanium Heating Element
• Remote Temperature Probe
• Safety Guard
• Magnetic Heater Holders
• Smart Memory Chip: An integrateted smart memory chip will restore the previous temperature set point and calibration to the last stored setting once the power returns after a failure.