Applicable models: Replaces Pleatco PWW50, Unicel 6CH-940, Filbur FC-0359, Waterways 817-0050 Sturdy and durable The filter assembly adopts unbreakable handle, high-flow ABS inner core and thick filter cloth to form a strong and durable body with high strength and high temperature corrosion resistance. Foldable design: More pleats of the filter element means improved filtering capacity. The three-layer laminated polyethylene inner mesh is covered with a weather and tear-resistant top layer that keeps pleats crisp, clear and evenly spaced. [Long-lasting life]: the unique structure of the filter cloth facilitates the capture and removal of stains. So you can easily clean the filter after use. Filters are tested for long term use with regular cleaning. Have fun using this filter. Features: Premium filter: a filter with a lot of fibers can retain more dirt. Free-Flow Core technology: better fluidity and longer filter life. Longer Life: Less frequent cleaning, longer life. Filter Specifications: Material: Polyester. Water temperature: 25~40C. Pressure : 3~5MPa Replacement cycle: 4-6 months. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, l actual item received shall prevail.