Improved Filtering Capacity: Featuring a unique structure and triple-laminated polyethylene inner net, this spa filter maximizes filtration efficiency, capturing even the finest particles. Polyester Material: Crafted from 100% high-quality polyester, our spa filters are built to last, offering superior dirt trapping power compared to cheaper alternatives. Compatibility: Replaces Waterway Plastics 817-0050, 03FIL1400, among others, ensuring compatibility with popular spa filter systems. Easy to Install & Maintain: Designed for quick and effortless installation, this filter also simplifies maintenance, allowing for easy cleaning to extend its service life. Non-aftermarket Part: Our spa filters undergo rigorous testing to meet strict quality standards, guaranteeing performance and value for money. Upgrade your leisure area with our spa filters, renowned for their enhanced filtering capacity and made from premium polyester materials. Ideal for hot tubs, these filters promise cleaner water and an elevated spa experience.