![Amazon.com: Customer reviews: Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose, Black](https://m.media-amazon.com/images/I/61Ds94xPtKL._CR0,34,1380,1380_UX256.jpg "Amazon.com: Customer reviews: Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose, Black")
Amazon.com: Customer reviews: Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose, Black
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Amazon.com: Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose, Black : Everything Else
Amazon.com: Hydor ETH 200 In-Line External Aquarium Heater, 200w, 1/2" hose : Everything Else
