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