Fully submersible and water-proof heater suitable for both freshwater and saltwater aquariums.
Temperature Range: 18° to 34° C (65° to 93° F)
| Aquarium Size | Watt | Heater Length |
| 7–16 gallons | 50 watt | 9" |
| 16–26 gallons | 75 watt | 10.2" |
| 26–40 gallons | 100 watt | 12.2" |
| 40–53 gallons | 125 watt | 12.2" |
| 53–79 gallons | 150 watt | 13.4" |
| 79–106 gallons | 200 watt | 15.7" |
| 106–159 gallons | 250 watt | 17.3" |
| 159-264 gallons | 300 watt | 19.6" |
