Tetra Submersible Aquarium Heater 100W, HT30 for 10-30 Gallon Fish Tanks : Amazon.ca: Tools & Home Improvement
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Tetra HT Submersible Heater 100 Watts, For 10 to 30 Gallon Aquariums, UL Listed - Walmart.com
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Hitop 50W 100W 300W Submersible Adjustable Aquarium Heater, for 5 – 50 Gallon Fish Tank (100W for 10~30 Gallon) : Amazon.ca: Pet Supplies
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Amazon.com: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies
Neo-Therm Pro Heater
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Top Fin® Submersible Aquarium Heater | fish Heaters | PetSmart