[Universal Compatibility]Designed for optimal use with Spas, this 2-pack of spa filter cartridges is fully compatible with for Pleatco PBF40 and PBF40-M, as well as for Wellspring 10-00282 coreless filters. Ideal for various water temperatures and settings including pools, spas, and hot tubs, ensuring a clean and refreshing experience. [Superior Filtration Efficiency]Crafted from high-density plastic fabric, our spa filters feature an advanced pleated design that maximizes the filtering surface area. This allows for effective removal of impurities such as sediment, hair, leaves, and sand, enhancing your water quality and ensuring safe, enjoyable use. [Innovative Design]Each pack includes two cartridges with a unique dual-shape design: one end round and the other oval. This design accommodates specific spa models with protruding core tabs, ensuring a perfect fit and optimal filtration. Please verify compatibility with your spa model before purchase. [Easy Maintenance]Constructed from premium plastic materials, these filters not only provide efficient water purification but are also easy to clean and maintain. Regular cleaning promotes longevity and recycling, helping to reduce costs while maintaining crystal clear water in your pool or spa. [High-Performance Filtration]Utilizing advanced three-leaf fabric technology, our filter cartridges excel in trapping and removing water impurities. Recommended for replacement every 1-2 months for best performance, these filters are essential for maintaining a clean and healthy aquatic environment. Color: White Material: plastic Package Contents: 2 x Swimming Pool Filter