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Hagen Hagen Marina Submersible Heater for Aquarium, 300W : Amazon.ca: Pet Supplies
Eheim Jager TruTemp Submersible Heater - 300 W
Aqua Heat 300 watt aquarium heater - Amazing Hydroponic
Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump : Amazon.ca: Pet Supplies
Fluval "E" 300-Watt Advanced Electronic Heater, 375 L (100 US Gal) - Safari Pet Center
Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump : Amazon.ca: Pet Supplies
Fluval M300 Submersible Heater, 300 W, up to 80 US Gal (300 L) — Reef Supplies Canada
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Jager 300 Watt Aquarium Heater (Eheim)
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