Aquarium Filters · owner-verdict comparison

Fluval 407 Canister Filter vs Fluval FX4 Canister Filter: what real owners say

Real owners lean toward the Fluval 407 Canister Filter: 86% of 65 owners recommend it, vs 33% of 12 for the Fluval FX4 Canister Filter.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Fluval 407 Canister Filter

86%of 65 owners recommend
86% recommend · 5% neutral · 9% don't
Owners praise
  • Runs whisper-quiet, often inaudible unless you touch it
  • Tons of media space and fully customizable filtration
  • Strong flow keeps water crystal clear
Owners complain about
  • Expensive unless bought on sale
Full owner report →

Fluval FX4 Canister Filter

33%of 12 owners recommend
33% recommend · 25% neutral · 42% don't
Full owner report →

What Fluval 407 Canister Filter owners say

“Best filter i have had”
— @glennryan6655 on YouTube
“Works great”
— @terjehimle3107 on YouTube
“i have a 407, it can be a pain in my ass. cleaning it is such a hassle lol, but i have found everything has to be set PERFECTLY in it or it wont run at 100%”
— pxyton- on Reddit

What Fluval FX4 Canister Filter owners say

“the Fluval FX4 is the better option for both the 200 gallon temp pond”
— willin_489 on Reddit
“It's doing great. Highly recommend filter.”
— i4cbj09 on Reddit
“Fluval canisters are made with cheap plastic parts that break often”
— karebear66 on Reddit