OASE BioMaster 2 350
#1 in 76 to 150 galFull review
A top choice for 55 to 90 gallon tanks, pairing lots of media with the easiest pre-filter cleaning here.
Amazon $249.99$249.99
The OASE BioMaster 2 350 and the Fluval 407 are evenly matched, rated 3.7 and 3.7. The OASE BioMaster 2 350 leads on features and efficiency. The Fluval 407 wins on turnover. The OASE BioMaster 2 350 costs $7 less ($249.99 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.
Fluval 407
#2 in 76 to 150 galFull review
The pick of the 07 range for 50 to 100 gallon tanks, with more media space for its rating than most rivals.
Amazon $256.99$256.99
Which should you buy?
- Choose the OASE BioMaster 2 350 for features (priming button or self-priming, shutoff valves, separate pre-filter, adjustable flow vs priming button or self-priming, shutoff valves, separate pre-filter) and efficiency (18.8 gal/h per watt (16 W) vs 16.7 gal/h per watt (23 W)).
- Choose the Fluval 407 for turnover (383 gal/h for up to 100 gal, 3.8x per hour vs 300 gal/h for up to 90 gal, 3.3x per hour).
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 | OASE BioMaster 2 350 | Fluval 407 |
|---|---|---|
| Overall rating | 3.7/5 | 3.7/5 |
| Value 25% | 43 $2.78 per rated gallon ($249.99, up to 90 gal) | 47 $2.57 per rated gallon ($256.99, up to 100 gal) |
| Media volume 20% | 86 5.6 L of media, 0.6 L per 10 rated gal | 82 6 L of media, 0.6 L per 10 rated gal |
| Turnover 20% | 52 300 gal/h for up to 90 gal, 3.3x per hour | 67 383 gal/h for up to 100 gal, 3.8x per hour |
| Efficiency 10% | 80 18.8 gal/h per watt (16 W) | 67 16.7 gal/h per watt (23 W) |
| Features 15% | 85 priming button or self-priming, shutoff valves, separate pre-filter, adjustable flow | 70 priming button or self-priming, shutoff valves, separate pre-filter |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
Specifications
| OASE BioMaster 2 350 | Fluval 407 | |
|---|---|---|
| Capacity | ||
| Rated aquarium | Up to 90 gal | 50-100 gal |
| Pump output | 300 gal/h | 383 gal/h |
| Filter circulation | - | 245 gal/h |
| Turnover | 3.3x per hour | 3.8x per hour |
| Max head height | 5.9 ft | 7 ft |
| Media | ||
| Media volume | 5.6 L | 6 L |
| Pre-filter volume | 0.5 L | - |
| Canister volume | - | 9.2 L |
| Features | ||
| Primer | Yes | Yes |
| Shutoff valves | Yes | Yes |
| Separate pre-filter | Yes | Yes |
| Adjustable flow | Yes | - |
| Built-in UV | No | No |
| Built-in heater | No | No |
| Water-change valve | No | No |
| Power and build | ||
| Power draw | 16 W | 23 W |
| Warranty | 3 years | 3 years |