Fluval
Fluval E300
$72.99
Best Aquarium Heaters · head-to-head
A sourced, side-by-side comparison. Fluval E300 is cheaper at $72.99. Every spec and price links to its source.
Fluval
$72.99
Orlushy
—
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $72.99 | — |
| Brand | Fluval | Orlushy |
| Released | — | — |
| Wattage (W) | 300 | 300 |
| Tank size range gal | up to 100 gal | 40-55 gal |
| Adjustable thermostat | Yes | Yes |
| Material | glass | glass |
| Fully submersible | Yes | Yes |
| Temperature accuracy f | — | — |
| Shatterproof guard | Yes | — |
| External controller | No | No |
Sources — Fluval E300: aquacave.com (verified 2026-08-16). Orlushy 300W: reviewaqua.com (verified 2026-08-16).
Where the two actually differ on the specs we track (1 of 8). Matching specs are omitted.