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popularfoxfai posted Nov 30, 2025 04:33 AM

Item 1 of 3

popularfoxfai posted Nov 30, 2025 04:33 AM

Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums - $21.59 FS w/prime

$22

$36

38% off

Amazon

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https://www.amazon.com/Fluval-A47...=UTF8&th=1

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Model: Fluval Underwater 3 Filter | PetSmart

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Post Date	Sold By	Sale Price	Activity
10/10/25	Amazon	$29 Popular	4

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Sort: Lowest to Highest | Last Updated 2/6/2026, 12:16 PM

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2 Comments

rcillig

Nov 30, 2025 11:55 PM

94 Posts

Joined Jun 2017

rcilligNov 30, 2025 11:55 PM

94 Posts

great filter.... great deal!

ruouttaurmind

Dec 05, 2025 02:08 PM

1,325 Posts

Joined Mar 2018

ruouttaurmindDec 05, 2025 02:08 PM

1,325 Posts

It's freakin' enormous compared to my RES turtle's current Zilla filter. Maybe it'll last longer than a week between cleanings. I guess at this discounted price it's worth a shot.

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Occasions Black Friday Cyber Monday Pets Pet Care & Supplies Fluval Amazon

Rating:	(4.1 out of 5 stars)
Reviews:	10,752 Amazon Reviews
Manufacturer:	Rolf C. Hagen (USA) Corp.
Model Number:	A475A1
Product SKU:	B001TKZ51E
UPC:	15561104753
ASIN:	B001TKZ51E
Brand:	Fluval
Item Dimensions LxWxH:	10.5 x 3.25 x 4 inches
Item Weight:	1.7592889 pounds
Item model number:	A475A1
Manufacturer:	Rolf C. Hagen (USA) Corp.

Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums - $21.59 FS w/prime

$22

$36

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