The API Bio Chem Zorb Size 4 Filter Cartridge is an advanced filtration material for crystal clear water, designed to fit the API nexx Aquarium Filter. Better than carbon alone, the API Bio Chem Zorb Size 4 Filter Cartridge is composed of a unique blend of pharmaceutical-grade ion exchange resins, research grade organic scavenger resins, and high porosity activated carbon. This aquarium filter cartridge works with fresh, saltwater, and reef aquariums.
Internet Price: $19.99 Today's Price: $15.50 (Save 22%)
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Pack of 4 cartridges
$2.99 to $15.74
$8.24 to $27.74
$3.74 to $9.74