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Amazon.com: AquaClear Marina Betta Fish 8W Submersible Heater - For Fish Tank Aquariums up to 1.5 US Gallons (5 L) : Pet Supplies
Marina iGlo 360 Aquarium Tropical Fish Tank 10L Starter Kit LED Lighting Heater | eBay
Marina Submersible Aquarium Heater-300w | KT Prawns
Aquarium Heater 300W Fish Tank Heater Submersible Thermostat w/ Adjustable Knob | eBay
