The Hayward DEX6000DS DE Filter Grid Element is a high-efficiency component for Diatomaceous Earth (DE) filtration systems, which are required to maintain high-quality water in pools and spas. This filter grid has a large surface area of 60 square feet and a diameter of 30 inches, providing ample coverage for effective debris and pollutant capture. The DEX6000DS, made of strong polyes... https://www.usapoolshop.com/dex6000ds-hayward-de-filter-grid-element