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 rates 3.4 among over 150 gal aquarium canister filters; the SunSun HW-304B rates 3.0 among 76 to 150 gal ones. The SunSun HW-304B costs $162.50 less ($167.49 vs $329.99).
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.
SunSun HW-304B
#3 in 76 to 150 galFull review
A cheap high-flow canister with a UV light built in, for owners fighting algae who accept sparse published specs.
Amazon $167.49$167.49
Scores side by side
These two sit in different tank size classes (over 150 gal and 76 to 150 gal), and each is scored against the reference points for its own class, so a rating says how well each does among its own tank size peers. How we rank explains each factor.
| Factor weight | EHEIM Professionel 4+ 600 | SunSun HW-304B |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 25% | 60 $2.06 per rated gallon ($329.99, up to 160 gal) | 94 $1.12 per rated gallon ($167.49, up to 150 gal) |
| Media volume 20% | 47 6.5 L of media, 0.4 L per 10 rated gal | 0 media volume not published, scored as none |
| Turnover 20% | 16 330 gal/h for up to 160 gal, 2.1x per hour | 57 525 gal/h for up to 150 gal, 3.5x per hour |
| Efficiency 10% | 91 20.6 gal/h per watt (16 W) | 50 power draw not published (neutral score used) |
| Features 15% | 85 priming button or self-priming, shutoff valves, separate pre-filter, adjustable flow | 15 built-in UV, heater or water-change valve |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| EHEIM Professionel 4+ 600 | SunSun HW-304B | |
|---|---|---|
| Capacity | ||
| Rated aquarium | Up to 160 gal | Up to 150 gal |
| Pump output | 330 gal/h | 525 gal/h |
| Turnover | 2.1x per hour | 3.5x per hour |
| Max head height | 5.9 ft | - |
| Media | ||
| Media volume | 6.5 L | - |
| Pre-filter volume | 0.5 L | - |
| Canister volume | 9.2 L | - |
| Features | ||
| Primer | Yes | - |
| Shutoff valves | Yes | - |
| Separate pre-filter | Yes | - |
| Adjustable flow | Yes | - |
| Built-in UV | No | Yes |
| Built-in heater | No | - |
| Water-change valve | No | - |
| Power and build | ||
| Power draw | 16 W | - |
| Warranty | 3 years | - |