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Amazon.com: hygger Fully Submersible 500 W Aquarium Heater with External Temperature Display Controller Upgraded Double Quartz Tubes Fish Tank Heater for 65-120 Gallon, Suitable for Marine and Freshwater : Pet Supplies
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500 Watt Cattle, Livestock Water Tank Heater | Miraco Farm Waterer | Gallagher Electric Fencing from Valley Farm Supply
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Amazon.com: Amazon Basics 500-Watt Ceramic Small Space Personal Mini Heater - White : Home & Kitchen
Api Dt500 500 Watt Aluminum Livestock Utility Water Tank/bucket Deicer Heater W/ 6-foot Chew-proof Cord For Metal/plastic Containers Up To 60 Gallons : Target
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Amazon.com: BOEESPAT Aquarium Heater 500W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer Suitable for Saltwater and Freshwater (60 to 120 gallons) : Pet Supplies
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Amazon.com: ZHGSERVU 100W/300W/500W Aquarium Heater 500 Watt Fish Tank Heater Submersible Auto Thermostat Turtle Tank Heater 40-90 Gallon with Protective Sleeve and 3 Suckers : Pet Supplies
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Fahrenheat 30-in 240-Volt 500-Watt Standard Electric Baseboard Heater in the Electric Baseboard Heaters department at Lowes.com
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Amazon.com: Space Heater, Fan Heater, 500W Personal Mini Space Heater Portable Electric Heaters Fan for Home & Office, Indoor Use with Ceramic Heating Element & Overheat Protection & Tip-Over Protection (Blue) :
Api W500 500 Watt Metal/plastic Auto Waterer Birdbath Water Tank Sinking Deicer Heater For Tanks Up To 70 Gallons (4 Pack) : Target
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