These spa filters are the ultimate aftermarket upgrade, with the same top-notch quality as the original but for a fraction of the cost. A must-have switch for anyone with a murky spa! The innovative filtration material in these generic spa filter cartridges is built to be sturdy and durable, and will bounce back to peak performance after cleaning, resulting in improved usability and longer cleaning intervals. Plus, the generic replacements come with a full 12-month warranty! Filter dimensions: 127mm in diameter, 257mm in length, 55mm hole with a fine thread, and a stylish handle.