Currently have a 10gallon but will upgrade shortly to a 30ish for a yellow eared turtle. Does this sit on the bottom where it could suck in the food and waste that collects on the bottom where my river rocks are? It has proven hard to get that out and the pleccu is not cleaning it up as of now.

Mine is laying on the bottom of my tank and i have never had it sitting upright. I can tell you it does pretty well sucking everything up. However, i usually have one spot in the tank, right underneath the filter where debris sits. When I need to water change I just make sure I get the debris out with a fish net. That seems to work pretty well. It is the best filter I have had so far (with a turtle that has killed 4 filters), just make sure to clean the motor fan with every water change or filter media change.

Does the U4 filter have space to add activated carbon pellets?

Yes it can, in the center of the filter there a removeable plastic cage. I put a small Chemi Pure bag in it. But I didn't care for this filter and not cause it didn't work. But I was wanting something more as a skimmer type filter and I wasn't getting enough flow out this filter unit. But it did work, if your running this on a smaller tank say no 30 gal freshwater ok. I was running it on a 29 gal reef tank with lots of live rock and it couldn't push enough water around it. But it did filter the water good.

Do all 3 outputs work at the same time?

No, you have to pick a setting. I use mine for moving water in the bottom of my tank. It also seems to be he strongest setting out of the 3 choices

Can I change the direction of the water coming out of the nozzles? For example directing it upwards instead of horizontal.

There's a small directional piece on the end of each nozzle you can turn to minimally direct the flow - but not nearly that much.

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Fluval U1 Underwater Filter, Freshwater and Saltwater Aquarium Filter, A465, Black

Product ID: 12974681

Details

Brand
Fluval
Capacity
55 liters
Included Components
Filter
Installation Type
Freestanding
Item Weight
1.1 pounds
Material
Poly/Clearmax

💧250 L/hr max flow

🔄3-way customizable flow

⚙️3-stage filtration system

R2090

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Description

💧 Elevate your aquarium game with precision filtration and style!

EFFORTLESS MAINTENANCE - Flip-top lid design for quick cartridge swaps—no hassle, no downtime.
ECO FRIENDLY EFFICIENCY - Low 4.5W power consumption keeps your aquarium clean without inflating energy bills.
SLEEK VERSATILE DESIGN - Compact, horizontal or vertical placement fits tanks up to 15 gallons, freshwater or saltwater.
TAILORED FLOW FOR YOUR TANK - 3-way flow control lets you customize currents or create stunning waterfall effects.
CRYSTAL CLEAR WATERS ALWAYS - Advanced 3-stage filtration traps debris, impurities & boosts biological efficiency.

The Fluval U1 Underwater Filter (Model A465) is a compact, energy-efficient filtration system designed for freshwater, saltwater, and reptile tanks up to 15 gallons. Featuring a powerful 250 L/hr flow rate and a proven 3-stage filtration process—including foam, poly/carbon cartridge, and BioMax media—it ensures superior water clarity and biological balance. Its innovative flip-top lid and 3-way flow control offer easy maintenance and customizable water movement, making it a top choice for aquarists seeking reliable, stylish, and versatile filtration.

Specifications

ASIN	B0020K966M
ASIN	B0020K966M
Best Sellers Rank	#14,651 in Pet Supplies ( See Top 100 in Pet Supplies ) #99 in Aquarium Filter Accessories
Brand Name	Fluval
Capacity	55 liters
Container Type	Box
Customer Reviews	3.9 3.9 out of 5 stars (1,151)
Date First Available	August 19, 2004
Department	mens
EU Spare Part Availability Duration	2 years
Global Trade Identification Number	00015561104654
Included Components	Filter
Installation Type	Freestanding
Item Type Name	HAGEN FLUVAL U1 UNDERWATER FILTER
Item Weight	1.1 pounds
Item model number	A465
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer	Rolf C. Hagen (USA) Corp.
Material Type	Poly/Clearmax
Maximum Flow Rate	250 liters per hour
Model Name	HAGEN FLUVAL U1 UNDERWATER FILTER
Model Number	A465
Number of Items	1
Number of Packs	1
Part Number	HGA465
Power Source	Corded Electric
Product Dimensions	3.8 x 5.2 x 6.5 inches; 1.12 pounds
Purification Method	Reverse Osmosis
Supported Water TDS Level Maximum (PPM)	350
UPC	015561104838 015561104654
Unit Count	1 Count
Warranty Description	3 years; Fluval U Series Power Filters are guaranteed against defects in material or workmanship under normal aquarium usage and service for 3 years. We offer a 3 year guarantee on all nonreplaceable parts which means that the filter will be repaired or replaced at the manufacturer's discretion, free of charge, when the complete pump is returned with proof of purchase and postage paid. This warran…

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R2090

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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