Reduce Chemicals Usage: This is a highly effective cartridge for Dimension One spas to purify spa water. Mineral purification is a natural process that effectively and consistently improves water quality without the overuse of excessive hot tub chemicals. It helps maintain balanced chemical levels and can be used with a hot tub ozone system for a more comfortable spa experience. Perfect for Dimension One Spas: This vision cartridge is designed specifically for the Vision cleaning system in Dimension One spas. It utilizes the water flow through the D1 water management system to reduce chlorine odor and keep the hot tub clean, providing crystal clear, odor-free water for an enjoyable bathing experience. Lasts Up to 6 Months: This cartridge lasts up to 6 months. Use the Date Ring to track when replacement is needed. With minimal maintenance required, it helps keep spa water clean and clear for up to 6 months. Natural & Safe Material: The 01512-261 hot tub filter shell is made from high-quality ABS material. Reduce Skin Irritation: This replacement cartridge for Dimension One spas works continuously to improve water quality as water circulates through the filtration system. The mineral-based purification is gentle on skin, offering a soft and soothing feel similar to natural spa water. Color: Purple Material: ABS Package Contents: 2 x Dimension One Spa Filters Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm. Minor color differences do not affect product performance.