DYMAX Filter Media Bag Coarse-L

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Easy and Convenient Storage of Media Dymax Filter Media Bags are available in two styles and various sizes, making them ideal for holding popular filter media mediums like bio ball s and ceramic rings. These bags are made of sturdy, machine-washable nylon and feature a non-corrosive zipper. The breathable nylon material allows water to flow freely and beneficial bacteria to thrive, making them great for freshwater and saltwater aquariums. Type Size Dimensions Coarse Small 18x25cm Coarse Medium 27x30cm Coarse Large 30x40cm Fine Small 14x20cm Fine Medium 18x25cm Fine Large 27x30cm Extra Fine Small 18x11cm Extra Fine Medium 23x14cm Extra Fine Large 28x17cm Show more