Keep your pool clean and clear all season long 13.5 square feet of Dacron filament media with 63 pleats Intex recommends replacing this filter cartridge as often as every 2 weeks for peak pump performance Replaces Intex 29005E filter cartridge and fits any filter pump that uses Intex 59905 filter cartridges Extend the life of this filter by periodically hosing it down until it shows signs of wear and deterioration