- Durable Construction: Made from premium PET polymer, this filter cartridge is designed to resist chemical breakthrough and UV degradation, ensuring reliable performance for over 3 years. Its food-grade composition prevents water contamination, making it safe for family pools and hydrotherapy spas. - Effortless Cleaning: The smooth surface repels oil and algae, allowing for quick maintenance with just a 5-minute hose rinse. Users can perform deep cleaning with muriatic acid solutions without damaging the cartridge. The modular design enables easy disassembly for scrubbing hard-to-reach areas, extending the lifespan beyond 12 cycles. - High Filtration Efficiency: Precision engineering achieves a filtration efficiency of 99.2%, capturing particles as small as 10 microns. The reinforced polymer end caps withstand pressures up to 28 psi without deformation. Laser-cut holes maintain optimal flow rates, reducing pump energy consumption by 15% compared to standard filters. - Portable and Compatible: Weighing only 1.1 pounds, this compact cartridge is ideal for transport in backpack pockets, perfect for vacations and rentals. Its universal 4-inch diameter fits most sand filters and DE systems, including Summer Waves. Color-coded seals prevent assembly errors during seasonal changes. - Versatile Applications: Ideal for residential pools, spa hydrotherapy sessions, or even temporary setups during vacation rentals, this filter cartridge provides peace of mind with its robust filtration capabilities and ease of maintenance. Enjoy clean, safe water effortlessly.