EHEIM Professionel 4+ 600
#2 in Over 150 galFull review
A premium square canister for tanks up to 160 gallons, with lots of media and thoughtful maintenance features.
Amazon $329.99$329.99
The EHEIM Professionel 4+ 600 and the Fluval FX4 are evenly matched, rated 3.4 and 3.4. The EHEIM Professionel 4+ 600 leads on media volume and features. The Fluval FX4 wins on value, turnover and efficiency. The EHEIM Professionel 4+ 600 costs $8 less ($329.99 vs $337.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Fluval FX4
#3 in Over 150 galFull review
A powerful, efficient filter for big tanks, with a handy water-change valve. Treat the 250 gallon rating as generous and size by media need.
Amazon $337.99$337.99
Which should you buy?
- Choose the EHEIM Professionel 4+ 600 for media volume (6.5 L of media, 0.4 L per 10 rated gal vs 3.9 L of media, 0.2 L per 10 rated gal) and features (priming button or self-priming, shutoff valves, separate pre-filter, adjustable flow vs priming button or self-priming, shutoff valves, built-in UV, heater or water-change valve).
- Choose the Fluval FX4 for value ($1.35 per rated gallon ($337.99, up to 250 gal) vs $2.06 per rated gallon ($329.99, up to 160 gal)), turnover (700 gal/h for up to 250 gal, 2.8x per hour vs 330 gal/h for up to 160 gal, 2.1x per hour) and efficiency (23.3 gal/h per watt (30 W) vs 20.6 gal/h per watt (16 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 150 gal aquarium canister filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | EHEIM Professionel 4+ 600 | Fluval FX4 |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 25% | 60 $2.06 per rated gallon ($329.99, up to 160 gal) | 83 $1.35 per rated gallon ($337.99, up to 250 gal) |
| Media volume 20% | 47 6.5 L of media, 0.4 L per 10 rated gal | 1 3.9 L of media, 0.2 L per 10 rated gal |
| Turnover 20% | 16 330 gal/h for up to 160 gal, 2.1x per hour | 37 700 gal/h for up to 250 gal, 2.8x per hour |
| Efficiency 10% | 91 20.6 gal/h per watt (16 W) | 100 23.3 gal/h per watt (30 W) |
| Features 15% | 85 priming button or self-priming, shutoff valves, separate pre-filter, adjustable flow | 70 priming button or self-priming, shutoff valves, built-in UV, heater or water-change valve |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
Specifications
| EHEIM Professionel 4+ 600 | Fluval FX4 | |
|---|---|---|
| Capacity | ||
| Rated aquarium | Up to 160 gal | Up to 250 gal |
| Pump output | 330 gal/h | 700 gal/h |
| Filter circulation | - | 450 gal/h |
| Turnover | 2.1x per hour | 2.8x per hour |
| Max head height | 5.9 ft | 6.9 ft |
| Media | ||
| Media volume | 6.5 L | 3.9 L |
| Pre-filter volume | 0.5 L | - |
| Canister volume | 9.2 L | 14 L |
| Features | ||
| Primer | Yes | Yes |
| Shutoff valves | Yes | Yes |
| Separate pre-filter | Yes | - |
| Adjustable flow | Yes | - |
| Built-in UV | No | No |
| Built-in heater | No | No |
| Water-change valve | No | Yes |
| Power and build | ||
| Power draw | 16 W | 30 W |
| Warranty | 3 years | 3 years |