Photo 1 of Fluval P25 Submersible Aquarium Heater – 25W, Shatterproof & Fully Submersible, Preset 76-78°F for Freshwater & Saltwater Tanks up to 6 Gal, LED Indicator, Safe & Durable Nano Tank Heater

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Photo 1 of Fluval P25 Submersible Aquarium Heater – 25W, Shatterproof & Fully Submersible, Preset 76-78°F for Freshwater & Saltwater Tanks up to 6 Gal, LED Indicator, Safe & Durable Nano Tank HeaterPhoto 2 of Fluval P25 Submersible Aquarium Heater – 25W, Shatterproof & Fully Submersible, Preset 76-78°F for Freshwater & Saltwater Tanks up to 6 Gal, LED Indicator, Safe & Durable Nano Tank Heater