Usage Tips:Vi Filter Elements For Bestway Lay-z-spa, Bw58323 Replacement Elements For Bestway 58239 (4 Pieces) Product Function: Bestway VI Pool Filter: Height: 3.1inch/80mm, outer diameter: 4.2inch/106mm, inner diameter: 2.1inch/52mm. Compatible with Lay-Z-Spa series - Please confirm the pump model number before purchasing. High Efficiency Filtration: The VI cartridge filter is installed in the filter pump, collects dirt as it passes through the system, helps remove dirt and bacteria, and provides you with clean and fresh water. Remove impurities: The hot tub filter is made of polyester paper that is easy to clean and durable. Dirt washes off easily. The VI filter element prevents bacterial growth and thus prevents secondary contamination. Features: Easy to clean: Simply remove the filter from the pump and rinse off the dirt with a garden hose. Be careful not to rough wash or use a high pressure water jet as this may damage the filter paper. Easy to clean: Simply remove the filter from the pump and rinse off the dirt with a garden hose. Be careful not to rough wash or use a high pressure water jet as this may damage the filter paper. Package Included: Pool Filter*4 Main Points: 1. The product size is manually measured, there may be errors 2. Since different monitors display different colors, please refer to the actual color you received . 3. Please confirm the size before purchasing.