Hayward Perflex Series: Experience crystal-clear pool water with advanced diatomaceous earth (D.E.) filtration technology. Efficiently capturing dirt, dust, pollen, and algae as small as one micron, this system ensures a cleaner, healthier swimming environment. Enjoy extended filter cycles of up to four weeks, reducing maintenance frequency and saving water. The robust construction and corrosion-proof materials guarantee years of reliable performance. Upgrade your pool filtration system with Hayward Perflex Series for a superior swimming experience.