Amazon.com: Aquatop 200W Titanium Heater with Controller - Fully Submersible for Fish Tanks Up to 55 Gallons, 68-92 Adjustable Temperature, Durable Water Heater, Aquarium Heater for Turtles & Large Fish, TH-C200 :
Aqueon Preset Aquarium Heater, 200W | Petco
Aquarium Water Heater 50-200W Submersible Fish Tank Thermostat Heating US Plug | eBay
Amazon.com : Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 25-50 Gallon : Pet Supplies
Lifegard Aquatics Pre Set Quartz Glass Aquarium Heater, 200 Watts | Petco
Source 12 volt 200 watt dc water heater element for solar immersion heater on m.alibaba.com
Tetra Submersible Aquarium Tank Heater, 30-60 Gallon, 200-Watts - Walmart.com
Aquatop 300 Watt Water Heater – Live Aquaponics
Low pressure small boiler KB 3 Boiler 3 l - 12 V / 200 W | Elgena Boiler, Elgena Water Heater | Camping Heater, Camping Fridge, Camping Air Conditioner | Camping Accessories | Reimo USA