Compatible with: PWW50L, 4CH-949, FC-0172, SD-01143, 817-4050, PDC570-AFS, Rising Dragon 50, Baleen -90091, Magnum O250, Darlly 42522. This product is not sponsored, endorsed by, or affiliated with Waterway, Rising Dragon, Waterway Teleweir, Baleen, Magnum, or Darlly.High Quality: The filter is made of high-quality materials. Heavy-duty polyester construction helps it last longer than cheaper alternatives.Powerful Filtering Ability: Increased pleat count enhances filtering capacity. Triple laminated poly-constructed inner scrim with a weather-resistant top coating helps maintain crisp, well-defined, and evenly spaced pleats.Our Advantage: This spa filter provides lower pressure and higher flow rates, reducing wear on the pump and using less energy compared to other filter cartridges, contributing to a longer product lifespan.Size: 378mm x 125mm (approximately 14.9 in x 4.9 in) with 2-inch female SAE threaded port. 50 square foot spa filter. Higher fiber density (about 5 ounces per square yard) improves dirt-holding capacity.Color: White Material: Plastic Package Contents: 2 x Spa Filter Note: Light and screen display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.