OASE BioMaster Pre-filter Foam Set Blue 6 Pack

OASE BioMaster Pre-filter Foam Set Blue 6 Pack

Marsoni

M251S

$18.99

Get it in 3 business days with 1 day shipping. Friday, May 29

OASE BioMaster Pre-filter Foam Set Blue 6 PackThe Pre filter Foam Set 45 ppi for the BioMaster 250, 350, or 600 includes six fine replacement filter foams. The combination of coarse and fine filter foams allows you to customize to meet the filtration needs of your aquarium. Timing to replace the pre filter foam set varies upon aquarium size, number of fish and plants, and declines in filter performance.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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If I could give this zero stars, I absolutely would. I ordered these shoes expecting them to be brand new since I paid full price and never selected any “used” option. What I received instead were clearly heavily worn shoes there were visible signs of use that you simply wouldn’t expect from a new product.

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Reviewed in the United States on March 25, 2026