Product dimensions: Height: 80mm - Outer Diameter: 104 mm - Inner diameter: 52mm. Compatible with Bestway VI size 6 filters. Please confirm the pump model before purchase. Swimming pool filter size 6, filter cartridges type VI, set of 4 swimming pool filters Filter cartridges compatible for Bestway Lay-Z-Spa Miami Vegas Monaco Size 6 - 58323. * Replacement of type VI swimming pool filter cartridge elements. * Comparable to Bestway Type VI filter cartridges. * High quality Dacron material, durable and practical. * Filter elements should be replaced every 2 weeks for best results. * Approximate measurement: outer diameter 104mm, inner diameter 52mm, height 80mm. * Package contains 4 Type VI filter cartridges. It is recommended to replace the filter cartridge every 2 weeks to ensure that your pool reaches the highest standards of cleanliness and hygiene. Your pool water stays attractive and cool all summer long, making your family and friends happy.