Pool Filter Type VI, Type VI Spa Filter Replacement Cartridge Height: 104 mm(4.2 inches) Diameter: 80 mm(3.15 inches) Opening Diameter: 52 mm(2 inches) Powerful Filtration Performance : Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool. Keep The Water Fresh : This massage pool filter is sure to keep your pure spa jet massage water clean and fresh. It apply to most massage pools, with this filter, you can enjoy the safe and healthy massage pool spa. Long Service Life : Top Quality Material,only uses Lead-free and BPA free materials. Assure you of safe and no-worry happy times.The filter can be used repeatedly after proper cleaning and maintenance, which increases the service life of the pool filter and saves money. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.