【VI Filter Element】 The type VI vortex filter is compatible with Bestway VI filter, height: 80mm, outer diameter: 104mm, inner diameter: 52mm, the pool filter element is compatible with Bestway VI, suitable for Lay-Z-Spa series hot tub. 【Keep Water Fresh】 Made of durable and washable pleated fabric that traps more contaminants than normal fabrics. Replacing filters is effective in removing hair, leaves, sediment, and sand from spas and swimming pools to keep the water clean. 【High-Efficiency Filtration】 The high-quality filter element can filter out excess dust and dirt, optimize pump performance, and extend equipment life. The filter media, center rod, and cover are glued together to ensure a better seal with the mouthpiece. 【Replace or Clean】To clean the filter, simply spray it with a garden hose. Be careful not to clean roughly or use high-pressure water jets as this may damage the filter paper. Clean the spa replacement fittings every 2 weeks for best results. 【Applicable