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Sponge Filters
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Internal-weight sponge filter
Internal-weight 30ppi sponge filter
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30ppi Slate Bottom Sponge Filter
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15ppi Mag Cube Filter
PPI Comparison

Filter - Cube Sponge Filter

$5.45
Shipping calculated at checkout.

Made from our Pro-Level Reticulated Foam, specifically suited for colonizing nitrifying bacteria at the highest levels in aquariums.

The current lift-tube color is a dark green.  The Slate bottom filters have a round slate attached to the bottom. 

As you can see from the list below, a 4.25" cube contains a lot more foam than a 4" one - over 20% more!

  • 3" cube filter has a volume of 27 cubic inches
  • 3.25" cube filter has a volume of 34 cubic inches
  • 4" cube filter has a volume of 64 cubic inches
  • 4.25" cube filter has a volume of 77 cubic inches
  • 5" cube filter has a volume of 125 cubic inches

Sponge Filter Details:  Please read here

On the fence about this Filter - Cube Sponge Filter? Don't be. Rest assured that your satisfaction is our first goal.

Inventory Last Updated: Nov 28, 2022

Customer Reviews

Based on 7 reviews
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M
MANUEL ZAPIAIN

It is the second time that I buy sponge filters, I am very happy and I would buy again

N
Netanel Herscovitch
Simple but works great. Does excellent job.

Very pleased with this sponge filter. Easy to set up. Super Duper easy to clean. Give it few squeezes place it back and it sinks to the bottom on its own. Thank you .

W
William Birch
Square Sponge Filters

Best AND easiest filters ever…!!! Perfect density…. PLUS
They always stay down, just squeeze in a bucket and put back in when dirty, DONE…!!!!!

R
Robert Hicks
Best Sponge Filter Made

Angels Plus has the best sponge filters on the market.

D
Dustin McCrary
A++++++

The only sponge I’ll use.

12
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