The Hayward W3EC65A Perflex 27 sq ft Basic Modular Filter is a high-efficiency diatomaceous earth (DE) filtration system designed to deliver superior water clarity with longer filter cycles. Using Hayward’s exclusive Flex-Tube design, it traps the finest particles for sparkling clean water while minimizing maintenance frequency. Suitable for both in-ground and above-ground pools, this filter combines reliable performance with ease of use. Key Features 27 sq ft filtration area for small-to-medium residential pools Exclusive Flex-Tube design for extended filter cycles and less frequent cleaning DE filtration captures particles as small as 2 microns for exceptional clarity Basic modular design for simple installation and servicing Corrosion-proof materials for long-lasting durability Operates at lower pump pressures for improved energy efficiency Easy maintenance access for DE recharge and cleaning Ideal for in-ground and above-ground pool systems Consistent, high-quality water clarity with minimal upkeep Reliable performance season after season Product Overview The Hayward W3EC65A Perflex 27 sq ft Basic Modular Filter delivers premium DE filtration in a durable, easy-to-maintain package. Its exclusive Flex-Tube design reuses diatomaceous earth powder within each cycle, reducing the need for frequent cleaning while maintaining optimal filtration efficiency. Built from corrosion-proof materials, it withstands harsh pool environments for long-term use. Whether installed on an in-ground or above-ground pool, the Perflex W3EC65A provides consistently clear, polished water and dependable performance, making it an excellent choice for pool owners seeking top-tier filtration with less maintenance.