The pick of the 07 range for 50 to 100 gallon tanks, with more media space for its rating than most rivals.
Amazon $256.99The Fluval 407 is the better aquarium canister filter overall, rated 3.7 to 3.0. The Fluval 407 leads on features and turnover. The SunSun HW-304B wins on value. The SunSun HW-304B costs $89.50 less ($167.49 vs $256.99).
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.
A cheap high-flow canister with a UV light built in, for owners fighting algae who accept sparse published specs.
Amazon $167.49Which should you buy?
- Choose the Fluval 407 for features (priming button or self-priming, shutoff valves, separate pre-filter vs built-in UV, heater or water-change valve) and turnover (383 gal/h for up to 100 gal, 3.8x per hour vs 525 gal/h for up to 150 gal, 3.5x per hour).
- Choose the SunSun HW-304B for value ($1.12 per rated gallon ($167.49, up to 150 gal) vs $2.57 per rated gallon ($256.99, up to 100 gal)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 76 to 150 gal aquarium canister filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fluval 407 | SunSun HW-304B |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 25% | 47 $2.57 per rated gallon ($256.99, up to 100 gal) | 94 $1.12 per rated gallon ($167.49, up to 150 gal) |
| Media volume 20% | 82 6 L of media, 0.6 L per 10 rated gal | 0 media volume not published, scored as none |
| Turnover 20% | 67 383 gal/h for up to 100 gal, 3.8x per hour | 57 525 gal/h for up to 150 gal, 3.5x per hour |
| Efficiency 10% | 67 16.7 gal/h per watt (23 W) | 50 power draw not published (neutral score used) |
| Features 15% | 70 priming button or self-priming, shutoff valves, separate pre-filter | 15 built-in UV, heater or water-change valve |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Fluval 407 | SunSun HW-304B | |
|---|---|---|
| Capacity | ||
| Rated aquarium | 50-100 gal | Up to 150 gal |
| Pump output | 383 gal/h | 525 gal/h |
| Filter circulation | 245 gal/h | - |
| Turnover | 3.8x per hour | 3.5x per hour |
| Max head height | 7 ft | - |
| Media | ||
| Media volume | 6 L | - |
| Canister volume | 9.2 L | - |
| Features | ||
| Primer | Yes | - |
| Shutoff valves | Yes | - |
| Separate pre-filter | Yes | - |
| Built-in UV | No | Yes |
| Built-in heater | No | - |
| Water-change valve | No | - |
| Power and build | ||
| Power draw | 23 W | - |
| Warranty | 3 years | - |
