A.O. Smith Signature 100 40-Gallon Short 6-year Limited Warranty 4500-Watt 1 Element Electric Water Heater in the Water Heaters department at Lowes.com
Rheem Performance 40 gal. 4500 -Watt Medium Electric Water Heater with 6 Year Tank Warranty and 240 volt Connection XE40M06ST45U1 - The Home Depot
GE GE40T08BAMBUN 40 Gallon 5,500 Watt Tall Electric Water Heater with 2.1 Gal Water Expansion Tank with Water Heater Hoses and Drip Pan | BrandsMart USA
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Eheim Jager Aquarium Heaters 100 Watts - For 26-40 Gallon Tanks (12.63" Tall) Pack of 2 - Walmart.com
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A.O. Smith Signature 100 40-Gallons Tall 6-year Limited Warranty 4500-Watt Double Element Electric Water Heater in the Water Heaters department at Lowes.com
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Rheem Performance 40 gal. 4500 -Watt Medium Electric Water Heater with 6 Year Tank Warranty and 240 volt Connection XE40M06ST45U1 - The Home Depot
Amazon.com: Aqueon Submersible Aquarium Heater, 100 Watts, Up to 40 Gallons : Pet Supplies
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TETRA HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-watt - Chewy.com
