Efficient, high-flow 50 g/m filter roll made from non-woven, polyester fleece. Replacement roll for the ReefMat 500 Auto Filter Roller.
Although specific lifespan will vary according to system paramenters such as volume, bio-load, feeding schedule, and initial water quality; each 28m roll of filter fleece is expected to last 5-8 weeks
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Excellent pricing, great shipping always my go to place for my aquarium shopping