Size 2 Filter Cartridges: Height: 135mm, Outer Diameter: 104mm, Inner Diameter: 53mm, suitable for II Pool Filter Cartridges. Please confirm the pump model before purchasing. Type II Pool Filter Cartridges: This massage pool filter has powerful filtration power to keep your massage spa water pure and fresh. It is perfect for most massage pools. Filter cartridges compatible with 58383/58386/58094 water pump. You can enjoy a safe and healthy massage spa without worry. Durable and Premium Dacron - Can hold large amounts of small items. It is also easy to clean or overhaul the filter, allowing the spa filter cartridge to be reused. High Quality: Durable and washable pleated fabric maintains its strength even when loaded with sediment. The high-flow core supports the filter. Thick materials cannot be easily destroyed. Make sure the pump is cleaned normally. It is recommended to clean the filter with water every 3 days to extend its service life. It is recommended to change the filter every two weeks. Quality Service: We strive to provide you with the best services and quality products. If you have any questions, please feel free to contact us. Product Description Product Description: Type II Pool Filter Cartridges for Filter Cartridges, Size 2, for Hot Tub, Inflatable Pool Cleaning Filter. Features: The filter element is built inside the filter pump and collects dirt as it passes through the system. Helps remove dirt and germs and gives you clean and fresh water. Our filters filter out dust, hair, dirt and can clean your water more effectively. It is recommended to replace the filter every two weeks in summer to keep the water clean. Specifications: - Material: ABS Polyester Paper - Item Color: Blue, White. - Height: 135mm - Outer Diameter: 104mm - Inner Diameter: 53mm. Note: 1. Please allow 1-2mm error due to manual measurement. 2. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.