Enjoy a sparkling clean swimming pool by keeping your pool filter working at its best. Your pool filter is only as effective as its filter cartridge, so trust the 2-pack of Summer Waves Replacement Type D Pool and Spa Filter Cartridges to capture contaminants and debris in your water. These replacement filter cartridges remove dirt, debris, and other particles thanks to ultra-fine, heavy-duty paper with increased pleating compared to standard pool filter cartridges. This design allows them to trap and retain fine dirt and sand. Each cartridge should be replaced every two weeks, helping you maintain clean water and more time to enjoy your pool. Simply replace the cartridge every two weeks and enjoy a cleaner, clearer swimming experience. Keep your pool safe and clean all season long with the Summer Waves Replacement Type D Pool and Spa Filter Cartridge, available in a convenient 2-pack. This filter cartridge is a great choice for pool and spa owners who want to maintain excellent water quality. Designed for easy installation and durability, it is a key component in any pool or spa filtration system. The Summer Waves Replacement Type D Pool and Spa Filter Cartridge comes in a pack of two and fits most pool pumps. Made from ultra-fine, heavy-duty paper, it captures particles as small as 10–20 microns. This replacement filter is easy to install and maintain, helping keep your pool or spa water clean and clear. With proper care and regular cleaning, each cartridge can last up to two weeks, depending on usage and water conditions.