# Which aquarium filter is the quietest on the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which aquarium filter is the quietest on the market?

## Products

### Fluval 407 External Canister Filter
```yaml
product: fluval-407-external-canister-filter
brand: Fluval
price_gbp: 171.89
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
flow_rate: 383 GPH
noise_level: Up to 25% quieter than previous generation (no dB value provided)
filter_media_type: Includes Bio-Foam Max, Bio-Foam, Bio-Foam+, Carbon, BioMax, Quick-Clear
maximum_tank_size: 50-100 US Gal
energy_consumption: 23 W
filter_media_volume: 9.2 L canister volume; 6.0 L total chamber volume
```

- **Price:** £171.89 [^1]
- **Summary:** The Fluval 407 is a powerful, energy-efficient external canister filter for 50-100 US gallon aquariums with eTEC engineering, a multi-basket stackable media system, vertical pre-filter, and included biological, mechanical, and chemical media. It offers redesigned vibration-dampening feet, quick-primer and AquaStop valves for easy maintenance and quieter operation.
- **Ideal For:** Suitable for users seeking one of the quietest canister filters because its eTEC pump and enlarged vibration-dampening feet reduce noise up to 25% versus the previous generation. 

### OASE Biomaster Thermo 600 Canister Filter
```yaml
product: oase-biomaster-thermo-600-canister-filter
brand: OASE
price_gbp: 207.02
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
flow_rate: 1250 l/h
filter_media_type: Hel-X; filter sponges; activated carbon pre-filter foam
maximum_tank_size: 600 l
energy_consumption: 14.3 W
filter_media_volume: 6.8 l
```

- **Price:** £207.02 [^2]
- **Summary:** The BioMaster Thermo 600 is a 4-stage external canister filter with an EasyClean pre-filter, integrated heater compatibility, and included Hel‑X biomedia plus sponges and carbon foam; it delivers up to 1250 l/h flow and 6.8 l filter volume while optimized for quiet, energy-efficient operation. It suits medium to large freshwater and saltwater aquariums and includes hoses, fittings, and a priming/venting button for easy setup.
- **Ideal For:** It suits someone seeking the quietest filter because it lists low operating power (14.3 W) and an energy‑efficient, sound‑dampening design on the manufacturer page.

### Seachem Tidal 110 Power Filter
```yaml
product: seachem-tidal-110-power-filter
brand: Seachem
price_gbp: 68.27
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
flow_rate: 450 US GPH (2000 L/H)
filter_media_type: Matrix bio-media and foam filter
maximum_tank_size: Up to 110 US gallons (400 Liters)
energy_consumption: 12 watts (120 v - 60 Hz) 10 watts (230 v - 50 Hz)
filter_media_volume: 0.85 US gallons (3.2 Liters)
```

- **Price:** £68.27 [^3]
- **Summary:** The Seachem Tidal 110 is a large-capacity hang-on-back power filter with adjustable flow (up to 450 US GPH), dual intake with surface skimmer, and a removable media basket that accepts custom media; it ships with Matrix bio-media and a foam filter. It features a self-priming, self-cleaning impeller, maintenance alert, and low power consumption, making it suitable for freshwater and saltwater tanks. Dimensions and clearances allow use on aquariums up to 110 US gallons.
- **Ideal For:** Not the quietest: while Seachem advertises an insulated, silent pump and low power draw (12 watts), no published noise dB is provided, so it cannot be claimed the quietest on the market.

### Eheim Classic 2217 Canister Filter
```yaml
product: eheim-classic-2217-canister-filter
brand: Eheim
price_gbp: 209.26
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
flow_rate: 264 gph
filter_media_type: mechanical, biological, chemical (sponge, filter floss, activated carbon)
maximum_tank_size: 159 US gal
energy_consumption: 20 W
filter_media_volume: 1.60 US gal
```

- **Price:** £209.26 [^4]
- **Summary:** Eheim Classic 2217 is a reliable external canister filter with a 264 gph rated flow, 1.60 US gal of filter media volume, and low 20 W power consumption. It includes sponge, fine filter pad/floss, and activated carbon and suits aquariums up to about 159 US gallons, offering durable, quiet operation and flexible media configuration. 
- **Ideal For:** Suitable for the question because its manufacturer-stated 'silent operation' and low power 20 W combined with user reports of very quiet performance make it a strong candidate for a quiet aquarium filter. 

### Fluval FX6 High Performance Canister Filter
```yaml
product: fluval-fx6-high-performance-canister-filter
brand: Fluval
price_gbp: 276.52
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
flow_rate: 563 US GPH / 2130 LPH
filter_media_type: Mechanical, Chemical, Biological (Bio-Foam, Bio-Foam+, BioMax, Carbon Foam)
maximum_tank_size: 400 US Gal / 1500 L
energy_consumption: 43 W
filter_media_volume: 5.9 L
```

- **Price:** £276.52 [^5]
- **Summary:** The Fluval FX6 is a high-capacity canister filter with Smart Pump technology, a multi-stage basket-in-basket design, and large media capacity for powerful filtration and easy maintenance. It suits very large freshwater or saltwater aquariums and includes mechanical, chemical, and biological media.
- **Ideal For:** Ideal for the question 'Which aquarium filter is the quietest on the market?': FX6 is suited because Smart Pump technology and rubberized feet reduce vibration and noise while delivering high flow at only 43 W.

---
## References & Sources
[^1]: Marine & Reef, accessed 2026-06-11. https://fresh.bulkreefsupply.com/fluval-407-canister-filter-fluval.html
[^2]: sraquaristik, accessed 2026-06-11. https://sraquaristik.com/products/oase-bioplus-thermo-internal-filters
[^3]: SaltwaterAquarium (alternate listing), accessed 2026-06-11. https://www.saltwateraquarium.com/product/tidal-110-hob-power-filter-up-to-110-gal-seachem/
[^4]: AquaCave, accessed 2026-06-11. https://aquacave.com/eheim-2217-classic-600-canister-filter-w-media.html
[^5]: Bulk Reef Supply, accessed 2026-06-11. https://fresh.bulkreefsupply.com/fluval-fx6-canister-filter-fluval.html