PRB50-IN-EC - Pleatco Filter Cartridge - Diameter: 5 Inch, 127 mm, Length: 13.3125 Inch, 338.1375 mm, Top Hole Size: 2.125 Inch, 53.975 mm, Bottom Hole Size: 2.125 Inch, 53.975 mm, Media Sq Ft: 50, Media Weight: 3 oz. - PRB50-IN - PLEATCO - PRB50-IN-EC - N