Fluval M-Series Submersible Aquarium Heaters
50W — Up to 15 Gallons
$39.99
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Shipping depends on the selected variant, shipping group, and destination. Review the product shipping notice and final checkout charges. Specialty items do not qualify for standard free shipping.
Shipping: $19.99 to the contiguous 48 U.S. states and Washington, DC only. No Alaska, Hawaii, territories, military addresses or international shipping. Excluded from free shipping. Mixed carts may incur additional shipping charges. Availability is subject to confirmation at fulfillment.
Adjustable, fully submersible aquarium heaters with a slim, reflective borosilicate glass body. The mirrored finish helps the heater blend into its surroundings. A dial sets temperature from 66–86°F, and an indicator shows when the heater is operating.
| Model | Manufacturer aquarium rating |
|---|---|
| 50W | Up to 15 US gal |
| 100W | Up to 30 US gal |
| 150W | Up to 45 US gal |
| 200W | Up to 65 US gal |
| 300W | Up to 80 US gal |
Select for your room temperature and target water temperature, and confirm fit before buying. Install and submerge as directed by Fluval, monitor with a separate thermometer, and unplug before water changes or removal.
Why Buy From Infinity and Beyond Aquatics?
Get personal service and practical aquarium guidance from an independent North Jersey business, with help choosing compatible equipment and support after your purchase.