Product Code: RRL31560
The Lifegard Aquatics 100 Watt Pre-Set Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks from 30 to 45 gallons.

Product Code: RRL31552
The Lifegard Aquatics 75 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks 20 to 30 gallons.

Product Code: RRL31553
The Lifegard Aquatics 100 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks 30 gallons to 45 gallons.

Product Code: RRL31554
The Lifegard Aquatics 150 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks 40 gallons to 65 gallons.

Product Code: RHY19345
Hydor Theo 100 Watt Aquarium Heater is a fully submersible, shatter-proof glass aquarium heater.

Product Code: RRL31559-Bundle
This package includes TWO Lifegard Aquatics 50 Watt Pre-Set Quartz Glass Aquarium Heaters for a total of 100 watts. Why would you want TWO 50 watt heaters instead of one 100 watt heater? Using more than one heater is advisable because heaters can fail, and having a second heater in the tank will keep your tank temperature from fluctuating wildly if one heater fails. Heater failure can either be one heater not turning off or one heater not turning on.

Product Code: RHG10782
The Fluval M100 Watt Submersible Heater's range provides exceptional performance, unsurpassed reliability and exclusive mirror technology to blend in with its surroundings. For aquariums up to 30 gallons.

Product Code: RHG10783
The Fluval M150 Watt Submersible Heater's range provides exceptional performance, unsurpassed reliability and exclusive mirror technology to blend in with its surroundings. For aquariums up to 45 gallons.

Product Code: RBO33802
The Oase HeatUp 100 Watt Aquarium Heater features uniform temperature level thanks to the patented bi-metal technology. Recommended for tanks up to 30 gallons. 9.6" long.

Product Code: RBO33803
The Oase HeatUp 150 Watt Aquarium Heater features uniform temperature level thanks to the patented bi-metal technology. Recommended for tanks up to 40 gallons. 12" long.

Product Code: RRL31551-Bundle
This package include TWO Lifegard Aquatics 50 Watt Adjustable Quartz Glass Aquarium Heaters for a total of 100 watts. Why would you want TWO 50 watt heaters instead of one 100 watt heater? Using more than one heater is advisable because heaters can fail, and having a backup heater will keep your tank temperature from fluctuating wildly if one heater fails. Heater failure can either be one heater not turning off or one heater not turning on.

Product Code: RRL31552-Bundle
This package include TWO Lifegard Aquatics 75 Watt Adjustable Quartz Glass Aquarium Heaters for a total of 100 watts. Why would you want TWO 75 watt heaters instead of one 150 watt heater? Using more than one heater is advisable because heaters can fail, and having a backup heater will keep your tank temperature from fluctuating wildly if one heater fails. Heater failure can either be one heater not turning off or one heater not turning on.