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Designed specifically for the Marina i 25 Internal Filter this Marina Replacement Cartridge pack will make sure
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The outside of the power cartridge features polyester foam to trap fine particles and the inside chambers contain
The Marina i 110 /i 160 Replacement Power Cartridge is made specifically to fit inside the Marina i 110 & i 160 internal filters.
The outside of the power cartridge features polyester foam to trap fine particles & the inside chambers contain carbon to remove pollutants & odours & zeolite to eliminate toxic ammonia for a cleaner healthier aquarium environment & crystal clear water.
Note: For best results replace every 4 weeks. For model i 160: do not replace both cartridges at the same time in order to ensure constant presence of beneficial bacteria.