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excellent pre-filter material

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also serves as a biological filter media

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for aquariums with built-in pre-filter/overflow box

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dual layer spiral media provides higher surface area

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use with Clear-for-Life™ Stand pipe™ for higher flow

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washable & reusable

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for fresh or salt water use

Description

CFL DLS Prefilter Roll 5" x 12"

CFL DLS Prefilter Roll 5" x 16"

CFL DLS Prefilter Roll 5" x 22"

CFL DLS Prefilter Roll 5" x 22" (core 1-1/2")