1. MACHINE WASHABLE CONVENIENCE Enjoy effortless maintenance with our filter bags that are machine washable, allowing you to keep your spa clean without the hassle of manual cleaning. 2. Unique Sock Filter Design The innovative sock filter design effectively traps dirt and impurities, ensures optimal filtration and improves the quality of your pool spa water. 3. Compatibility for Spas Specially made for spas, these filter bags meet industry standards, which guarantees compatibility and reliable performance for your spa setup. 4. DURABLE CONSTRUCTION Made from nonwoven fabrics, these filter bags are designed to withstand regular use and promise longevity and consistent filtration performance over time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.