Tetra Submersible Aquarium Heater / HT40 150W Heater / 30 to 40 Gal Aquarium – CanadaWide Liquidations
Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781 : Amazon.ca: Pet Supplies
1300W 120V Titanium Fully Submersible Portable Electric Immersion Water Heater, 100% Waterproof immersion heater, Thermostat, Auto shutoff, Overheating Prevention, Bucket Water Heater, Easy to Use, Water Heaters - Amazon Canada
Yocowu Auto Temper Adjustment Aquarium Submersible Fish Tank Water Heater(100W) | Walmart Canada
Aqueon Submersible Heater - 300 W
SILICAR Mini Aquarium Heater, 20W Fish Tank Heater with Built-in Thermometer, LED Display, External Temperature Controller, Submersible Turtle Tank Heater for 0.5-1 Gallon : Amazon.ca: Pet Supplies