Marineland Precision Heater for Saltwater or Freshwater Aquariums
MarineLand
Aqueon Submersible Aquarium Fish Tank Heater For Up To 75 Gallon Aquariums, 200 Watts
Aqueon
fishkeeper Ultra-Safe Intelligent Submersible Aquarium Heater 300W/500W/800W Electronic Precision Thermostat Fish Tank Heater with Run-Dry and Overheat Protection for 40~220 Gallon Fish Tank
fishkeeper
AquaMiracle Aquarium Heater Fish Tank Heater 300W with Dry-Run/Overheating Protection and Memory Function, External Thermostat with LED Digital Display, for Tanks 40-75 Gallons
AquaMiracle