RS Electrical 300W Aquarium Heater you mentioned:
🔍 Product Features & Specs
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It's a fully submersible glass heater with an auto on/off thermostat and a small standby light indicator—no digital screen, but reliable basic functionality NAMMA MALL+7Amazon India+7onyxaqua.com+7.
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Adjustable temperature range: 18–32 °C (64–90 °F), with dual protection seals Nepal Aqua Studio.
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Power: 300 W, suitable for fish tanks around 240–300 L, depending on your setup size
