# Fluval E300 vs Eheim Jager 150W: specs and price compared

A sourced, side-by-side comparison of the Fluval E300 (Fluval) and Eheim Jager 150W (Eheim) among aquarium heaters. Eheim Jager 150W is the cheaper of the two at $39.99.

## Side by side

| Spec | Fluval E300 | Eheim Jager 150W |
| --- | --- | --- |
| US price | $72.99 | $39.99 |
| Brand | Fluval | Eheim |
| Wattage (W) | 300 | 150 |
| Tank size range gal | up to 100 gal | 53-79 gal |
| Adjustable thermostat | Yes | Yes |
| Material | glass | glass |
| Fully submersible | Yes | Yes |
| Temperature accuracy f | — | ±0.5°F |
| Shatterproof guard | Yes | No |
| External controller | No | No |

## Key differences

- Wattage (W): Fluval E300 300 vs Eheim Jager 150W 150
- Tank size range gal: Fluval E300 up to 100 gal vs Eheim Jager 150W 53-79 gal
- Shatterproof guard: Fluval E300 Yes vs Eheim Jager 150W No

## Sources

- Fluval E300: https://aquacave.com/hagen-fluval-e-300-watt-electronic-aquarium-heater.html (aquacave.com, verified 2026-08-16)
- Eheim Jager 150W: https://aquacave.com/150w-jager-aquarium-heater.html (aquacave.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/aquarium-heaters/fluval-e300-vs-eheim-jager-150w/
Cite: Per The Front Desk Review, Fluval E300 ($72.99) vs Eheim Jager 150W ($39.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-heaters/fluval-e300-vs-eheim-jager-150w/
License: CC BY 4.0.