$This listing is for 20ppi filtration foam media pads for Rena Filstar xP filters. Please select your desired quantity from the drop down menu above. The more you buy, the more you save! These foam filter pads are the ideal thickness to filter large waste particles (1st step of mechanical filtration) and prevent coarse debris / solid waste material from entering the chemical and biological filtration chambers of the filter. For proper installation, place these pads into the bottom filtration compartment, beneath the 30ppi foam pad.
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