HITOP Adjustable Aquarium Heater with Protective Cover, 50W 100W 120W Fish Tank Heater for 10/20/30 Gallon Fish Tank or Turtle Tank : Amazon.ca: Pet Supplies
HITOP 25W 50W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (50W) : Amazon.ca: Pet Supplies
Aqueon Submersible Heater - 50 W
50W Small Submersible Aquarium Heater, Betta Fish Tank Heater with Electronic Thermostat Adjustable LED Digital Temperature Display ostat Adjustable LED Digital Temperature Display : Amazon.ca: Pet Supplies
T50 Fully Electronic Aquarium Heater, 50W, up to 15 US Gal / 50 L - Fluval USA
Products Catalog - Amy PetStore
HITOP 50W 100W Mini Adjustable Aquarium Heater: Digital Fish Tank Heater with Protective Cover and Controller for 5-30Gallon 100W(10-30Gal)