Pentair 27002-0030S Filter Module Replacement Sta-Rite Pool and Spa D.E. Filter Filter module replacement Fits Pentair Sta-Rite PLD and System 2 modular D.E pool and spa filter model PLD50, PLD50-DE 30-square feet filtration area Measures 13-3/4-inch length by 23-3/4-inch height by 13-3/4-inch width