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Fluval Underwater Filter

4.3 out of 5 stars 3,439 ratings
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List Price: $96.99
Price: $56.20 & FREE Shipping. Details & FREE Returns
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34 to 65 US Gallons
Underwater Filter
Color Black
Brand Fluval
Model Name HAGEN FLUVAL U4 UNDERWATER FILTER
Material Metal
Item Dimensions LxWxH 4.6 x 5.2 x 14 inches

About this item

  • Filters debris and provides optimal biological filtration
  • Simple to install and maintain
  • Silent and efficient
  • Ideal supplemental or stand-alone filter, or for installations where external filtration is not possible
  • Comes with 3-way flow control with adjustable output, 2 foam pads, 2 poly/carbon cartridges and 90 grams BioMax; Ideal for 34-65 gallon environments
New (8) from $56.20 + FREE Shipping

Bark If You Want Some: The monthly box your pup deserves. Bark If You Want Some: The monthly box your pup deserves.


Frequently bought together

  • Fluval Underwater Filter
  • +
  • Fluval Underwater Filter Poly/Carbon
  • +
  • Fluval U1 Underwater Filter Foam Pad
Total price: $61.20
Buy the selected items together

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From the manufacturer

Product description

Size:34 to 65 US Gallons  |  Style:Underwater Filter

Fluval U4 underwater Filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Stage 1 foam removes large particles. In stage 2, the poly/carbon cartridge traps fine debris, improves water clarity and removes impurities. In stage 3, BioMax provides optimal biological filtration efficiency.


Product details

Size:34 to 65 US Gallons  |  Style:Underwater Filter
  • Manual [PDF ]
    Please read the USER MANUAL for Instructions and Directions of Usage [PDF ]
  • Is Discontinued By Manufacturer : No
  • Product Dimensions : 4.6 x 5.2 x 14 inches; 2.47 Pounds
  • Item model number : A480A1
  • Department : Men, women
  • Date First Available : August 19, 2004
  • Manufacturer : Fluval
  • ASIN : B001XRXY1G
  • Customer Reviews:
    4.3 out of 5 stars 3,439 ratings

Important information

Directions

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Compare with similar items


Fluval Underwater Filter
Fluval Underwater Filter Poly/Carbon
Fluval U1 Underwater Filter Foam Pad
Fluval U Underwater Filter BioMax
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Customer Rating 4.3 out of 5 stars (3439) 4.7 out of 5 stars (1354) 4.7 out of 5 stars (1103) 4.6 out of 5 stars (917) 4.5 out of 5 stars (558) 4.4 out of 5 stars (5603)
Price $56.20 $2.99 $2.01 $4.84 $46.90 $88.97
Shipping FREE Shipping. Details FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping. Details FREE Shipping. Details
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Coospider Amazon.com
Item Dimensions 4.60 x 5.20 x 14.00 inches 0.59 x 2.36 x 3.38 inches 0.59 x 2.36 x 9.64 inches 1.50 x 2.70 x 10.60 inches 3.75 x 3.30 x 12.00 inches 17.00 x 11.50 x 10.00 inches

Customer Questions & Answers

Customer reviews

4.3 out of 5 stars
4.3 out of 5
3,439 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on May 9, 2019
Size: 34 to 65 US GallonsStyle: Underwater FilterVerified Purchase
37 people found this helpful
Comment Report abuse
Reviewed in the United States on October 13, 2014
Size: 34 to 65 US GallonsStyle: Underwater FilterVerified Purchase
80 people found this helpful
Comment Report abuse
Reviewed in the United States on February 23, 2018
Size: 24 to 40 US GallonsStyle: Underwater FilterVerified Purchase
15 people found this helpful
Comment Report abuse
Reviewed in the United States on February 20, 2017
Size: 24 to 40 US GallonsStyle: Underwater FilterVerified Purchase
19 people found this helpful
Comment Report abuse
Reviewed in the United States on July 4, 2015
Size: Up to 15 GallonsStyle: Underwater FilterVerified Purchase
review imagereview imagereview image
31 people found this helpful
Comment Report abuse

Top reviews from other countries

bridiedavies
5.0 out of 5 stars Ignore the bad reviews!
Reviewed in the United Kingdom on October 19, 2018
Size: 12 to 30 US GallonsStyle: Underwater FilterVerified Purchase
review imagereview image
35 people found this helpful
Report abuse
Taking it easy!
4.0 out of 5 stars A very efficient and quiet filter
Reviewed in the United Kingdom on March 28, 2020
Size: 12 to 30 US GallonsStyle: Underwater FilterVerified Purchase
4 people found this helpful
Report abuse
Paul J Davies
5.0 out of 5 stars So Much better than my old filter.
Reviewed in the United Kingdom on April 15, 2020
Size: 34 to 65 US GallonsStyle: Underwater FilterVerified Purchase
4 people found this helpful
Report abuse
Glenn Perry
5.0 out of 5 stars Fantastic filter for my 80l tank
Reviewed in the United Kingdom on March 7, 2018
Size: 34 to 65 US GallonsStyle: Underwater FilterVerified Purchase
review image
9 people found this helpful
Report abuse
Sarah
5.0 out of 5 stars Simply the best (apart from the instructions)
Reviewed in the United Kingdom on November 3, 2016
Size: 24 to 40 US GallonsStyle: Underwater FilterVerified Purchase
11 people found this helpful
Report abuse
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