Fluval M300Fluval

$39

Heater

Fluval M300

by Fluval

Fluval M — glass heater with a reflective M-fil coating that bounces heat back into the water for more even, efficient temperature distribution.

entryShatterproof

Power

300 W

Controller ready

Safety

Shatter-resistant

from$39

Compatibility with your build

Start a build to see compatibility for this product

Specifications

The full sheet

Specs

Power: 300 W
Controller ready: No
Safety: Shatter-resistant

Manufacturer & warranty

Country of origin: Italy
Warranty: 3-year warranty

Build & materials

Materials: Borosilicate glass with reflective mirror finish
In the box: Heater · Mounting bracket · Suction cups

What we check

Rules this part takes part in

Heating capacity

Checks wattage is adequate for your total water volume (about 1 W per litre).

See methodology

Works well with

Compatible tanks

Seapora

Edge Series Reef-Ready 75 Gallon

76 Gallon Shallow EXT

76 gal

View tank

Fiji Cube

57 Gallon Shallow INT-M

57 gal

View tank

Fiji Cube

76 Gallon Shallow INT-M

76 gal

View tank

Alternatives

Others in this category

Frequently asked

What are the key specs of the Fluval M300?

Power: 300 W. Controller ready: No. Safety: Shatter-resistant.

How much does the Fluval M300 cost?

The Fluval M300 starts around $39, though prices vary by retailer — see current offers on this page.

Which tanks is the Fluval M300 compatible with?

Based on ReefPicker's compatibility checks, the Fluval M300 fits tanks including Seapora Edge Series Reef-Ready 75 Gallon, Ultum Nature Systems 60C, Waterbox AIO 65.4. Add it to a build on ReefPicker to check it against your specific tank.