Poret® Filter Cartridge

US and Canadian customers, see terms for shipping rates.
For all other countries, please,
Email me first to receive a shipping quote for your order.

Our foam filter cartridges are foam blocks with a vertical hole bored all the way through. They can be used as prefilters, replacement for ATI hydro sponges, to make cubefilters, with a powerhead as internal power filters, etc. Thus, these cartridges are very rugged and have a very long lifespan.

PPI = pores per inch

Foam cartridges

Poret® Cartridges

4″ Cartridge: 1.0 cm=0.4″ boring
$25.00 – 4x4x19.5″ Red 20 PPI
$25.00 – 4x4x19.5″ Black 30 PPI

4″ Cartridge: 2.5 cm=1.0″ boring
$25.00 – 4x4x19.5″ Black 20 PPI
$25.00 – 4x4x19.5″ Black 30 PPI

Color/PPI/boring


5″ Cartridge: 2.5 cm=1.0″ boring
$30.00 – 5x5x19.5″ Black 20 PPI
$30.00 – 5x5x19.5″ Black 30 PPI
$30.00 – 5x5x19.5″ Blue 30 PPI

Color/PPI/boring


6″ Cartridge: 2.5 cm=1.0″ boring
$36.00 – 6x6x19.5″ Black 10 PPI
$36.00 – 6x6x19.5″ Black 20 PPI
$36.00 – 6x6x19.5″ Blue 30 PPI
$36.00 – 6x6x19.5″ Black 30 PPI

>Color/PPI/boring


Last modified: July 8, 2022 at 1:38 pm