1. Made of high-quality materials, durable and practical. High-quality replacement filter elements suitable for hot tubs and spas 2 They are easy to install and maintain. They just need to rinse regularly under the tap. However, if they are still dirty or discolored after rinsing, they must be replaced. Otherwise, the filter pump may be damaged. 3. Help remove dirt and bacteria and provide you with clean and fresh water. Replace a new filter elements every two weeks for best results 4. The VI filter elements keeps your pure spa jet massage water clean and fresh. It is suitable for most massage pools. You can enjoy a safe and healthy massage pool spa. 5. Enjoy a safe and healthy massage pool spa. The filter can effectively remove hair, leaves, dust, sediment, sand, etc. Applicable products: filter Compatible models: Bestway VI and SaluSpa, Lay-Z-Spa 90352E Single filter elements size: 105mm x 80mm x 50mm Single filter elements weight: 124g Filter elements form: pleated filter elements Purpose: water filtration Scope of application: water pump Applicable object: water Performance: Waterproof Model: VI Color:White+blue Material:plastic Package Contents: 12 x Filter Cartridge / 8 x Filter Cartridge / 4 x Filter Cartridge / 6 x Filter Cartridge Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.