Penn-Plax AX3 Universal Cartridges Fitting All UG Filters (2 Pack) Perspective: front
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Penn-Plax AX3 Universal Cartridges Fitting All UG Filters (2 Pack) Perspective: back
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Penn-Plax AX3 Universal Cartridges Fitting All UG Filters (2 Pack)

1 eachUPC: 0003017239952
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Product Details

Penn-Plax presents the Ammonia-X Replacement Zeolite Media Cartridges. These Cartridges come in a 2 pack, and are made to fit most undergravel filters, and work with any lift tube of the following measurements: 11/16” // 27/32” // 15/16” // 1 1/8”. They serve as replacements for when it’s time to cycle out aquarium filter media.