Fluval Aquarium Power Filter

By Fluval
Rated 3.6729 out of 5 stars


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$25.76 (-48%)Chewy Price
$49.99Chewy Price

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FREE 1-3 day delivery

About This Item


  • Extensive 5 stage filter helps to produce clean and clear water conditions and a healthy environment for aquarium life to thrive.
  • Provides maximum surface area and optimum dwell times in all stages of the filtration process.
  • Features 2 stage mechanical filtration that effectively traps large and fine debris, reducing harmful ammonia and phosphate build up by removing fish waste, uneaten food, and other organic materials.
  • Activated carbon for chemical filtration to effectively remove dangerous toxins while the Bio-Screen pad provides encourages the growth of good bacteria.
  • The patented refiltration control system lets you slow down the water output, creating a gentle flow to protect delicate fish and plants.

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Play Video: Learn More About Fluval From Our Team of Experts
Learn More About Fluval From Our Team of Experts

Compatible Products

Ensure your system runs smoothly with Fluval accessories.

Frequently Bought Together

This Item – Fluval Aquarium Power Filter, 30-gal
Rated 3.6729 out of 5 stars
$25.76Chewy Price

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Fluval C2 Poly/Foam Pad Filter Media, 3 count
Rated 5 out of 5 stars
$2.99Chewy Price

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Fluval Edge Pre Filter Sponge, 1 Count
Rated 4.4407 out of 5 stars
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Total Price: $32.90

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Fish TypeMarine Fish, Tropical FreshwaterMarine Fish, Tropical FreshwaterMarine Fish, Tropical FreshwaterBetta, Cichlid, Goldfish, Marine Fish, Tropical FreshwaterBetta, Cichlid, Goldfish, Tropical Freshwater
Aquarium TypeSaltwater, FreshwaterSaltwater, FreshwaterSaltwater, FreshwaterSaltwater, FreshwaterSaltwater, Freshwater

Questions & Answers

21 Customer Questions

What do you recommend to be changed at least once a month... filter, cartridge foam ECT?
Answer by ChewyFeb 22, 2018
Fluval Poly/Foam: Replace poly/foam every 4-6 weeks. Biological C-Nodes: Replace half the quantity every 6 months. Never replace all c-nodes at once. Activated Carbon Insert: Replace Activated Carbon every 2-4 weeks. Bio-Screen: Replace Bio Screen every 2-3 months. Motor O-Ring: Replace once a year to prevent leaking.

Does the flu Val C4 come with all the filter media and carbon when you purchase it or do you got to buy all that separate
Answer by ChewyJan 11, 2018
This item will include: Filter Cover, Filter Case, Leveling Device, C-Nodes, “U” Tube, Telescopic Intake Tube, Bio-Screen, Mechanical Frame, Chemical Basket, Impeller Cover Assembly, Impeller, Biological Trickle Chamber with Cover, Poly/Foam Pad, Activated Carbon and the Motor Unit with Seal Ring.

I have a ten gallon fish tank with 8 small goldfish will the C3 be good for me or the C4
Answer by ChewyAug 25, 2018
The C3 and C4 aren't recommended for your size tank especially if the proper precautions aren't taken to prevent your fish from getting sucked in. The C2 is made for tanks between 10-30 gallons and would be the best option for a 10 gallon tank.

Do all sizes have an adjustable flow switch?
Answer by ChewyApr 16, 2018
Each size has an adjustable flow switch. On the top left side there is a post that slides right or left to make slight flow adjustments.

ReviewsWrite a Review

Rated 3.6729 out of 5 stars
107 Ratings
Would recommend to a friend

106 Customer Reviews

Rated 5 out of 5 stars
By Sue on Sep 30, 2023

Fluval Aqurium Filter 30 gallon

This is my 2nd Fluval 30 gallon filter. My 1st one went out because my electricity went off and the motor ran dry. I did not get to it soon enough to re-prime the motor. This filter does a great job in my 20 gallon tank. I reordered the same kind because I was satisfied with the 1st one.

Rated 4 out of 5 stars
By Manda on Apr 9, 2023

Easy to set up

I bought this for my res turtle tank, and if I knew the following I wouldnt have bought this simply because I typically dont fill my 50 gal turtle tank to the top. The water must be ABOVE where the intake tube and the extension tube connect otherwise your filter wont prime and the water wont filter. I just added a little more water which wasnt a huge deal because my turtle has her own loft above the tank to bask. So if youre using this for a turtle make sure they have an adequate space to bask with the water being so high. Also tubes like these tend to get clogged easier because simply turtle waste, food and other debris are larger than the mess most fish make! This tube is definitely larger in diameter than my previous filter though. So far I like it, pretty quiet and my turtle already tried to take a bite out of the extension tube!

Rated 1 out of 5 stars