Your next buying step
Fluval M150 150W Submersible Heater
Model: M150 · US configuration
Your choices from the finder

Review the product, then choose a seller
Compare offers for this model
A 150-watt adjustable glass heater rated by Fluval for aquariums up to 45 US gallons, with a 13-inch body, a 66–86°F setting range and freshwater/saltwater use.
View this model on Amazon ↗Check the selected model, package, seller and current terms on Amazon.
As an Amazon Associate I earn from qualifying purchases. Buying links on BuyerShortlists may be affiliate links.
Assessment scenario: Compare this exact model
Check the exact model and configuration against your choices, then compare the seller and offer details.
Explore this buying guide ↗Why consider this model?
- A useful candidate when a freshwater or saltwater aquarium is within Fluval's 45-US-gallon maximum, the keeper needs an adjustable dial setting from 66°F to 86°F, and the 13-inch glass heater fits the tank layout.
Tradeoffs to weigh
- The M150 is a glass-tube in-tank heater, not a documented shatterproof or inline-filter option. Fluval warns that room-to-setpoint difference and aquarium conditions can call for more capacity, so the 45-gallon rating is not a performance guarantee. Numeric thermostat accuracy and guard inclusion are not established by the sources reviewed.
Check these before ordering
- Confirm the exact model, generation, size and configuration in the offer.
- Compare your selected requirements with the detailed review before ordering.
- Check included accessories, seller, current availability and return terms.