Best Fluval Heaters

Fluval Flex Aquarium Kit (32.5 US gal) + Fluval M100 Submersible Heater (100 W)

HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

307 Canister Filter with 300 Watt FluvalT Heater Bundle - by Fluval

HiTauing Aquarium Heater, 300W Fish Tank Heater with LED Digital Display & 5 Safety Protection, Submersible Aquarium Heater with 2 Suction Cup and 8.2Ft Cord for 40-75 Gallon Fish Tank.

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

NICREW Aquarium Heater 300W, Temperature Adjustable Fish Tank Heater with Controller for 50-80 Gallon, Overheat Protection

HiTauing Aquarium Heater, Upgraded 300W/500W Fish Tank Heater with Intelligent Leaving Water Automatically Stop Heating and Advanced Temperature Control System, Suitable for Saltwater and Freshwater

Fluval A774 E 300-Watt Electronic Heater Black

Fluval M50 Submersible Heater, 50-Watt Heater for Aquariums up to 15 Gal., A781

NICREW Submersible Aquarium Mini Heater, Small Betta Fish Tank Heater with Electronic Thermostat, 15W