COMPATIBLE WITH TYPE VI FILTER: This replacement filter cartridge is compatible with Bestway filter cartridge VI, compatible for lay-z-spa model pumps, such as Vegas, Monaco, Paris, Hawaii, Palm Springs, etc. height: 80 mm, outer diameter: 105 mm, inner diameter: 52 mm. HIGH-QUALITY MATERIALS: The pool filter Cartridge adopts a quality material mixture, the filter medium is made of PP polyester fiber cloth, it has good mechanical properties and sunlight performance, it is resistant to high temperatures and is not affected by strong acids, it can filter out excess dust and dirt. POWERFUL FILTRATION PERFORMANCE: Innovated technology makes the fabric trap much more contaminants than regular fabric. Our spa filters could efficiently remove hair, leaves, dust, sediment, sand, etc. Just enjoy your tub-time EASY TO INSTALL AND CLEAN: It is recommended that you replace the type VI spa filter cartridges every 2 weeks to maximize your spas performance. These vi filters are durable, washable, and reusable, they can be used repeatedly after proper cleaning and maintenance, greatly increasing the service life and saving money.